UNT Libraries Government Documents Department - 7 Matching Results

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Banjo.

Patent for facilitating the safe packing, storage, and shipment of banjos and other similar musical instruments, including one illustration.

Date: September 14, 1920

Creator: Brown, Norman

Carbid-Feed Valve

Patent for carbid-feed valve for acetylene generators whose improved form allows for balanced feeding whether closed or open.

Date: January 14, 1913

Creator: Ballard, John S.

Sad-Iron-Facing Machine.

Patent for a sad iron facing machine, which grinds and polishes iron with a lateral movement rather than a straight one that speeds up the process and prevents gumming of the machine.

Date: September 14, 1909

Creator: Dorsey, Royal H.

Cutting Apparatus for Mowers.

Patent for a cutting blade for cutting tough weeds and stalks that attaches to a standard grass cutting lawnmower.

Date: January 14, 1908

Creator: Needham, Walter Jackson

Apparatus for Forcing Beer from Kegs.

Patent for a new and improved apparatus for forcing beer from kegs. This design "relates to an improved method of keeping atmospheric pressure upon beer or other aerated liquid contained in a keg or similar receptacle, so as to prevent the same from becoming stale or flat from the evaporating of its dissolved gas. It consists in improvements in the apparatus by means of which the above-stated result is accomplished; and it further consists in the construction and novel arrangement of parts" (li… more

Date: September 14, 1886

Creator: Surratt, George & Heyman, Harry

Varnish

Patent for invention a new and used varnished to be used is on wood, metal etc.

Date: July 14, 1885

Creator: Smith, Henry Thomas

Cotton Elevator.

Patent for a new and improved cotton elevator. This design "facilitate[s] the delivery of cotton to the gin, and at the same time . . . removes from the cotton the gravel and other foreign substances that may be in it, thereby preventing injury to the gin and causing it to deliver the cotton in a cleaner and better condition" (lines 7-13).

Date: June 14, 1881

Creator: Newton, William Frederick