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3 Matching Results
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Bolt for Doors.
Patent for the improvement of bolt locks on double doors using a lever lock for safety and ease of locking and unlocking one or both doors, including illustration.
Date:
June 26, 1860
Creator:
Bonney, N. W.
System:
The Portal to Texas History
Liquid-Fuel Burner.
Patent for improvements in liquid fuel burner that generates gas from liquids that requires no labor or supervision.
Date:
June 8, 1920
Creator:
Bittner, Emil R.
System:
The Portal to Texas History
Baling Press
Patent for "an improvement in that class of presses adopted for baling hay" (lines 10-11) with illustrations.
Date:
June 3, 1902
Creator:
Arnold, Cyrus M.
System:
The Portal to Texas History