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4 Matching Results
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Antiskidding Vehicle Wheel-Tire.
Patent for an antiskidding vehicle wheel tire that has tread structure which prevents slippage or skidding of the tires on wet or icy roads.
Date:
July 15, 1913
Creator:
Dees, Mark A. & Dees, Thomas M.
System:
The Portal to Texas History
Self-Locking, Nut.
Patent for a "simple and efficient device" for "securely holding a nut upon a bolt" (lines 76-77).
Date:
March 6, 1906
Creator:
Galliher, Lawrence M.
System:
The Portal to Texas History
Improvement in Car-Couplings.
Patent for "an improved automatic car-coupling that may be readily uncoupled from the side and top, and be employed to couple cars of different heights." (Lines 13-16) Includes instructions and illustrations.
Date:
November 16, 1875
Creator:
Ford, Oscar E.
System:
The Portal to Texas History
Motor
Patent for a motor for a sewing machine that is simple and less expensive.
Date:
August 31, 1900
Creator:
Daniels, James R.
System:
The Portal to Texas History