UNT Libraries Government Documents Department - 15 Matching Results

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Can-Opener.

Description: Patent for a can opener that is made from "a single flat piece of metal" (line 17) and is made for ease of operation, reducing the chance of the user cutting themselves.
Date: March 19, 1918
Creator: Williams, Paul E.
Item Type: Refine your search to only Patent

Pump

Description: This patent is for pumps. This patent allows for the pump barrel to be readily disengaged from its normal positive engagement with the well tube for removal from said tube for repairs or any other reason.
Date: March 19, 1918
Creator: Perry, Sherman V.
Item Type: Refine your search to only Patent

Rotary Hand-Stamp.

Description: Patent for a rotary hand stamp that has an interchangeable printing surface that is simple, convenient, and is especially created for rapid operation.
Date: March 19, 1912
Creator: Walshe, Denny Edmund
Item Type: Refine your search to only Patent
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