UNT Libraries Government Documents Department - 205 Matching Results

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Adding Machine

Description: Patent for a machine that adds numbers together using "key actuated accumulating wheels" to reach the desired sum, including illustrations.
Date: September 22, 1913
Creator: Moody, Jason B.
Item Type: Refine your search to only Patent

Advertising-Machine.

Description: Patent for an advertising machine that reverses the travel of the apron that is used to connect with, and where, the display sign is printed. It also easily and efficiently reverses the driving mechanism once the apron is completely unwound from one of the rollers. The patent includes illustrations.
Date: July 22, 1913
Creator: Looney, Marma Duke
Item Type: Refine your search to only Patent

Automatic Separating Device.

Description: Patent for an automatic separating device. This device operates with a link that connects the float level at the top of the tank with a valve handle at the bottom of the tank to control discharge from the tank.
Date: January 22, 1918
Creator: Allen, Charles
Item Type: Refine your search to only Patent

Automobile-Pump

Description: Patent for an automobile pump. This invention is designed for quick mounting and dismounting in order to lift an automobile to remove its tires. Illustrations included.
Date: February 22, 1910
Creator: Goeth, Richard Anton
Item Type: Refine your search to only Patent

Bearing for Crank-Shafts.

Description: Patent for an improvement for Bearings for Cranks Shafts. This invention provides a means for "tightening the bushings of the bearings easily and quickly when necessary" (lines 9-13).
Date: October 22, 1918
Creator: Blumberg, Hamilton G.
Item Type: Refine your search to only Patent
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