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Belt Lifter for Bull Wheels

Description: Patent for belft lifters for bull wheels for providing "a simple and efficient belt manipulating device peculiarly adapted to be used in connection with bull wheels of well drilling machinery" (line 11-14).
Date: March 23, 1915
Creator: Peterson, Edward
Item Type: Refine your search to only Patent

Seal

Description: 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.
Item Type: Refine your search to only Patent
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