UNT Libraries Government Documents Department - 29 Matching Results

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Advertising Attachment for Scales.

Description: Patent for improvements in advertising attachments for scales to "provide an attachment of the character specified, wherein a series of display members are provided, mounted to be moved into different positions, to bring different matter into different positions, and controlled to movement by the stepping onto the weighing platform of the one to be weighed." (lines 11-18)
Date: July 13, 1920
Creator: Funk, Arthur Neal
Item Type: Refine your search to only Patent

Automobile-Signal.

Description: Patent for a door-mounted automobile turn signal that swings out on an arm to appear at a right angle to the vehicle and is operated by the driver's knee or elbow. The signal is illuminated by an electric lamp and sounds the car horn when deployed.
Date: August 31, 1920
Creator: Carnes, Sam D.
Item Type: Refine your search to only Patent

Double-Lever Brake.

Description: Patent for "new and useful improvements in Double-Lever Brakes." (lines 6-7) and how the invention will provide more power to the brake and equally distribute that power. Includes illustrations.
Date: March 23, 1920
Creator: Roberts, George P.
Item Type: Refine your search to only Patent

Molding Apparatus

Description: Patent for an improved model of a molding apparatus for producing blocks of concrete that is cheaper to manufacture and more durable and adjustable than its predecessor.
Date: March 20, 1920
Creator: Nelson, William E.
Item Type: Refine your search to only Patent

Paper Clip.

Description: Patent for new and useful improvements in a paper clip. This invention relates to a paper clip a has for its principal object the production of a simple and efficient device for holding numbers sheets of paper together.
Date: October 21, 1920
Creator: Holt, Frank P.
Item Type: Refine your search to only Patent

Peanut-Harvester

Description: Patent for peanut harvesting machine. It helps pull the peanut plant from the ground easily and aids in bunching them without having to use your hands.
Date: October 26, 1920
Creator: Phillips Willie Orman
Item Type: Refine your search to only Patent

Rotary Engine.

Description: Patent for an improved rotary engine which overheats less, reduces the space between the piston and cylinder, and is easy to construct and operate.
Date: April 27, 1920
Creator: Jefferies, Charlie Q.
Item Type: Refine your search to only Patent

Screen Pickup-Roller.

Description: Patent for improvements for condensing things such as lint and hair and removing them from "the screen cylinder of the apparatus by a screen pickup roller." (lines 13-15)
Date: July 13, 1920
Creator: Martin, George W.
Item Type: Refine your search to only Patent

Skeleton Structure.

Description: Patent for Skeleton Structures or convertible structures able to be used different agricultural uses that "may be disassembled and reassembled in a different shape either by using the same parts or by adding additional parts," (line 25-28) including illustrations.
Date: December 14, 1920
Creator: Dietz, Paul, A.
Item Type: Refine your search to only Patent
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