Resource Type
Counties
3 Matching Results
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Antifriction-Bearing.
Patent for a new and useful improvements in anti-friction bearings.
Date:
April 5, 1898
Creator:
Hobron, Charles B.
System:
The Portal to Texas History
Ointment for Skin Diseases
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
System:
The Portal to Texas History
Canceling Stamp.
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.
System:
The Portal to Texas History