104 Matching Results

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Educational-Chart Drawing-Board and Writing-Desk. (open access)

Educational-Chart Drawing-Board and Writing-Desk.

Patent for a durable writing desk that transforms into a drawing-board which can be folded and stored in a relatively small space when not in use.
Date: October 26, 1915
Creator: Henderson, George A.
Object Type: Patent
System: The Portal to Texas History
Cultivator-Hopple. (open access)

Cultivator-Hopple.

Patent for "a cultivator hopple that will require very little manual exertion to adjust the cultivator beams between their limiting positions." (lines 10-13) including instructions and illustrations.
Date: March 30, 1915
Creator: Hill, Josef D.
Object Type: Patent
System: The Portal to Texas History
Seal (open access)

Seal

Patent for seals of car doors and other structures, and the object is to provide seal which cannot be released without destruction or mutilation so that the tampering with the seal may be readily detected.
Date: March 23, 1915
Creator: Peyton, William T.
Object Type: Patent
System: The Portal to Texas History
Gas Generator (open access)

Gas Generator

Patent for a gas generator that generates hydrocarbon gases. It is "to provide ample and efficient means for feeding gas making elements into the fillings or contents located in the generators and to distribute uniformly to all parts of a generator the elements fed into the generator and to provide efficient means for operating the feeding devices and to provide agitating devices working in combination with the feeding devices for agitating the fumes within the generator." (line 11-21)
Date: March 9, 1915
Creator: Tinsley, Waller P.
Object Type: Patent
System: The Portal to Texas History
Dental Tool (open access)

Dental Tool

Patent for a series of dental cleaning tools to remove deposits from teeth and smooth rough surfaces. This design inflicts minimal damage to the gum tissue while both a guide and blade are in contact with the tooth.
Date: May 4, 1915
Creator: Carr, Cassius M.
Object Type: Patent
System: The Portal to Texas History
Electric Animal-Prod (open access)

Electric Animal-Prod

Patent for an electric animal prod as a "simple and efficient instrument which may be used for prodding animals without injuring the flesh or hide of the animal" (lines 12-14), including illustrations.
Date: November 2, 1915
Creator: Floyd, William Boyd
Object Type: Patent
System: The Portal to Texas History
Combined Door-Bell and Mail-Receiver (open access)

Combined Door-Bell and Mail-Receiver

Patent for a combined door-bell and mail-receiver "devices for receiving and holding mail" (lines 9-10).
Date: September 21, 1915
Creator: McDonald, James A.
Object Type: Patent
System: The Portal to Texas History
Coffin (open access)

Coffin

Patent for a lightweight and sturdy coffin made of two solid pieces of baked or burned clay which can be sealed with cement and secured further with nuts and bolts.
Date: June 15, 1915
Creator: Arnold, Price
Object Type: Patent
System: The Portal to Texas History