UNT Libraries Government Documents Department - 9 Matching Results

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Automatic Train-Stopping Mechanism.

Patent for an affordable and easily operable mechanical train stopper designed to be installed directly on a locomotive.

Date: August 10, 1920

Creator: Evans, Alva A.

Burglar-Alarm.

Patent for a portable device that can be hung on a door knob and sound an alarm when the knob is turned, including instructions and illustrations.

Date: August 18, 1914

Creator: Dick, Archie P., Jr.

Patent for a carriage top support. This carriage top support is designed "with sufficient resiliency to take up all the jolts and strains between the body and the top" (line 16-18). Illustration included.

Date: August 25, 1903

Creator: Mason, Everett H.

Carton.

Patent for cartons, specifically cartons belonging to "the class of collapsible safety wrappers for bottles or other fragile articles." (lines 9-10).

Date: August 30, 1916

Creator: Elder, Joseph H.

Cotton-Chopper

Patent for "a machine of this class which chall be simple, inexpensive, and efficient in operation" (lines 9-11).

Date: August 27, 1889

Creator: Chambers, Abram

Improvement in Cotton-Cultivator.

Patent for improvements in cotton cultivators.

Date: August 13, 1867

Creator: Adams, Jesse

Improvement in Cotton-Gin Flues

Patent for a new and improved cotton ginning appartatus using a set a valves to throw lint-cotton into different rooms without stopping the gin (line 2), including illustration.

Date: August 13, 1872

Creator: Gaines, James W.

Prescription-Filing Machine.

Patent for a prescription-filing machine that allows for more accurate sorting of medical prescriptions.

Date: August 6, 1918

Creator: Elder, Joseph H.

Rail Joint

Patent for a rail joint. Illustration included.

Date: August 14, 1906

Creator: Bruton, David Alonzo