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Counties
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Improvement in Teeth for Cotton-Gin Saws.
Patent for new useful improvement of the cotton-gin saws that consists of the dress or shape of the teeth, includes instructions and illustrations.
Date:
May 6, 1873
Creator:
Oglesby, Thomas B.
System:
The Portal to Texas History
Improvement in Sewing-Machine Thread-Guards.
Patent for "a guard attachment to the Wheeler & Wilson sewing-machine for preventing the thread from being thrown off the tension by the work, and for preventing the thread from running off the spool onto the spindle." (Lines 6-11) Includes instructions and illustrations.
Date:
December 21, 1875
Creator:
Roosevelt, Lillian
System:
The Portal to Texas History
Improvement in Car-Couplings.
Patent for an improvement in car-couplings with illustrations.
Date:
May 30, 1876
Creator:
Darrow, Nicholas
System:
The Portal to Texas History