UNT Libraries Government Documents Department - 560 Matching Results

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Cotton and Corn Planter.

Description: Patent for a cotton and corn planter that does not put as much pressure on the tongue of the machine as previous models and that allows the plow attachment to be lifted higher off the ground to avoid obstacles.
Date: June 4, 1907
Creator: Goodnight, Frank H.

Building Construction

Description: Patent for metal beams used in building construction that have perforated plates to allow the passage of concrete through the plate when the metal piece is embedded in concrete thus strengthening the attachment of the metal and the concrete.
Date: May 14, 1907
Creator: Keyser, William H.

Clamp.

Description: Patent for a clamp "for use in in connection with hoisting-tackle for raising or lowering well-pipes..."(lines 9-10) that has one side attach to the pipe and the other side be releasable from the pipe.
Date: April 9, 1907
Creator: Danforth, Joseph B.

Coupling-Pin.

Description: 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

Clip

Description: Patent for a clip that may be used to bind paper, plies of fabric, or as a clothes pin. Illustrations included.
Date: November 26, 1907
Creator: Porter, Louis H.

Acetylene-Gas Machine

Description: Patent for a acetylene gas machine that automatically controls the flow of carbid or gas producing material into the generator "by means of a float and lever connection with the valve of the carbid hopper" (lines 19-21).
Date: May 7, 1907
Creator: Ricketts, James R.

Animal-Poke

Description: Patent for an animal poke worn on the head of cattle to prevent jumping outside the field which allows the cow to graze freely while wearing the poke.
Date: July 16, 1907
Creator: Seay, Mark Machel

Audiphone

Description: Patent for a audiophone which reproduces sounds at their original volume and timbre through the use of diaphragms vibrated by an electric signal.
Date: October 15, 1907
Creator: Baker, John A.
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