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5 Matching Results
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Automatic Locking and Releasing Device for Mining-Cars
Patent for an automatic locking and releasing device for mining carts and cages. Illustrations included.
Date:
June 15, 1909
Creator:
Stroope, Joseph H.
System:
The Portal to Texas History
Condenser.
Patent for a condenser for converting exhaust steam from motors into potable water for ice making.
Date:
November 15, 1910
Creator:
Galbraith, David G.
System:
The Portal to Texas History
Automobile-Jack.
Patent for an automobile jack designed to be attached to a beam embedded in a garage's concrete floor, with an added safety mechanism to prevent collapse. Including instructions and illustrations.
Date:
October 15, 1918
Creator:
Black, James
System:
The Portal to Texas History
Wire Stretcher and Repairer.
Patent for a new wire stretcher and repairer that stretches and repairs broken telephone, telegraph, or other types of wires and also takes up slack in the line when stringing wires.
Date:
July 15, 1913
Creator:
Butler, Joseph F.
System:
The Portal to Texas History
Gate-Operating Mechanism.
Patent for a gate-operating mechanism for quickly opening and closing a gate, including farm gates, from either side without the use of springs, including a description of the design and illustrations.
Date:
July 15, 1913
Creator:
Butler, Joseph F.
System:
The Portal to Texas History