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Canceling Stamp.

Description: Patent for a new and improved stamp canceler. This design utilizes a washer, flanges, and vertical slots "for the purpose of adjusting the roughened face of the head . . . so that the correct operation of the face is insured" (65-68). This represents an improvement over previous stamp cancelers.
Date: April 19, 1881
Creator: Grothaus, Frederick E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Ointment for Skin Diseases

Description: Patent for "a liniment or ointment for the treatment of ring worm or cutaneous troubles, and the compound is described in the following specification and claim" (lines 10-13).
Date: April 4, 1890
Creator: Bergmann, Anton
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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