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Paper-Clip

Description: Patent for an improved paper-clip "which is extremely simple in construction, permitting ease of manipulation and the manufacture thereof at a greatly reduced cost" (lines 12-14).
Date: September 2, 1919
Creator: Lea, Thomas
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Safety Attachment for Automatic Train Stops.

Description: Patent for an attachment to an automatic train stop device (Patent of The United States Number 1,267,179) which aims "to correct certain defects or deficiencies in the previous structure and so make the device more practical and reliable" (lines 15-17).
Date: July 2, 1919
Creator: Bulla, Melbern Bennie
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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