UNT Libraries Government Documents Department - 39 Matching Results

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Chair Cot.

Patent for "the provision of a chair or a seat which may readily be converted into a cot when occasion demands" (lines 9-12) including instructions and illustrations.

Date: July 9, 1918

Creator: Griffith, James Elliott

Patent for an airship with multiple gas bags inside an outer enclosing casing, which maintain the buoyancy of the airship in case one or more of the smaller bags should rupture. This airship also supports one or more persons other than the pilot, has an "envelop adapted to serve as a parachute in the event of danger", and can "alight upon and rise from the surface of a body of water".

Date: July 2, 1918

Creator: Richmond, George E.

Sanitary Bed-Spring Cover.

Patent for an invention that relates to the improvements in sanitary covers for attachment to the spring of a bed and the spring of the mattress. The sanitary cover provides a solution to repel vermin and noxious insects.

Date: July 5, 1921

Creator: Luedecke, Henry H.

Machine for Making Tamales

Patent for a Machine for Making Tamales

Date: July 2, 1918

Creator: Winfrey, Herbert O.

Mold.

Patent for a form of mold that is constructed to expand and contract quickly to form sidewalks and curbs.

Date: July 15, 1913

Creator: Forbis, Frank H.

Tent-Stake.

Patent for a tent stake that is used with a metal guy or rope. The purpose of this tent stake is to secure tents under all weather conditions.

Date: July 31, 1917

Creator: Basnett, Augustus

Combination Lock Joint or Device.

Patent for a combination lock joint or device for sectional poles that prevents bending of the pole and allows for sections of the pole to be easily taken on or off.

Date: July 25, 1911

Creator: Carleton, Ernest William

Coupling-Pin.

Patent for a coupling pin for railroad cars, which prevents the coupling from coming loose accidentally by having a key which locks the coupling in place and can only be undone by the cars operating systems. when it is time to disconnect the car.

Date: July 23, 1907

Creator: Yeiser, John Clarke

Cotton-Chopper.

Patent for a combined cotton-chopper and cultivator.

Date: July 29, 1902

Creator: Forister, John H. & McAda, James N.

Apparatus for Treating Timber.

Patent for an invention to aid in the treatment of treating timber. The invention is said to "provide a simple, inexpensive, durable, and efficient apparatus by means of which railroad cross-ties, fence-posts, and the like may be expeditiously and economically treated by immersion in a bath of some preserving liquid" (lines 16-22) including illustrations.

Date: July 11, 1905

Creator: Gerhard, Philip H.

Apparatus for Testing Errors of Refraction

Patent for an eye testing device that has a movable lens, a measuring device for correction, and two different cards with test type on them which are fed into the machine during testing for astigmatism and myopia, presbyopia, and hyperopia to determine the level of correction needed in glasses.

Date: July 2, 1907

Creator: Bahn, Gustavus Adolphus

Bale-Tie

Patent for a bale-tie fastener including illustrations.

Date: July 31, 1900

Creator: Cypher, David A. & Dayton, William L.

Ledger.

Patent for improvements in ledgers by giving each column in a ledger sheet a “label” such as customer’s name, daily entry, daily balance, monthly balance and etc… to record daily and monthly transactions of an individual customer's account. Illustration is included.

Date: July 8, 1902

Creator: Winn, Joseph B.

Incubator.

Patent for an incubator, which automatically turns all the eggs to allow them to get the same amount of warmth and light.

Date: July 19, 1910

Creator: Gerard, Alonzo

Metal Fastener for Envelops, &c.

Patent for certain new and useful improvements in metal fasteners for envelops, including instructions and illustrations.

Date: July 4, 1899

Creator: Holcombe, Henry Cannon; Maddox, John Wilson & Maddox, Francis Marion

Note Register

Patent for a note register. Illustrations included.

Date: July 26, 1904

Creator: Winn, Joseph B.

Plow.

Patent for a new and useful plow, including instructions and illustrations.

Date: July 12, 1898

Creator: Ankarstolpe, Nels.

Cotton-Handling Apparatus.

Patent for a cotton handling apparatus, which automatically feeds the cotton into the gin and stops if there is an overflow.

Date: July 7, 1908

Creator: Sullivan, Arthur A.

Canopy for Folding Beds.

Patent for a new and improved canopy for folding beds. This design "will automatically fold up within the bed when the same is closed, and will similarly open out with the opening of the bed without any other attention than the proper arrangement of the folds of the mosquito or fly netting" (lines 21-25). It consists in "an automatically raising and lowering canopy consisting of a raising-frame having vertical bars pivoted to the bed at the bottom and a horizontal connecting-bar at the top, a c… more

Date: July 19, 1892

Creator: Eva, Addison H.

Car-Coupling.

Patent for a simple and efficient car coupling that easily couples by impact, and can uncouple without going between cars.

Date: July 31, 1894

Creator: Kirk, John P.

Copy Holder.

Patent for a new and improved book holder. This design "consists in the peculiar construction of the main frame or case provided at or near one end with a slot or opening to expose a portion of the blank paper, and a clamping device to hold the copy-slips, and at its opposite end with a tubular instrument and pen-wiper receptacle" (lines 21-27).

Date: July 24, 1883

Creator: Gerard, Alonzo

Machine-Gun

Patent for an improvement in a "battery of guns, and has for its object the operating of any one of the guns by the recoil of another and in succession as long as may be deemed necessary" (lines 7-11).

Date: July 1, 1890

Creator: Greer, John William

Washing Machine.

Patent for a new and improved washing machine. This design "relates to improvements in the class of washing-machines commonly known as 'cylinder washing-machines,' and has for its object the production of a machine which will operate thoroughly and expeditiously, and without injury to the fabric, while at the same time it is light and inexpensive in construction and simple in operation; and with these ends in view the invention consists in the novel combination and arrangement of parts" (lines … more

Date: July 7, 1885

Creator: Ekman, Axel F.

Improvement in Eyeglasses.

Patent for improvements to eyeglasses to accommodate facial differences.

Date: July 9, 1878

Creator: Hawkes, Albert K.