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700 Matching Results
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Results:
697 - 700 of
700
Railroad-Tie
Patent for a railroad tie which is one piece and drains water away from the rails and holds the rails firmly in the rail-bed.
Date:
February 8, 1910
Creator:
Levinson, Herman Moses
Object Type:
Patent
System:
The Portal to Texas History
Pistol-holster
Patent for a pistol holster that is "adapted particularly for use in a hip pocket." It is an improved version of the inventor's patent from 1908.
Date:
December 8, 1914
Creator:
Gaskill, Charles E.
Object Type:
Patent
System:
The Portal to Texas History
Condenser.
Patent for a condenser for a hot water heater for use in homes.
Date:
October 8, 1907
Creator:
Nenninger, Oscar Alfred
Object Type:
Patent
System:
The Portal to Texas History
Belt Elevator and Conveyer.
Patent for bucket conveyers to maximize the frictional engagement between the transverse curvature of the inner surface of the belt and the periphery of the pulley.
Date:
August 8, 1916
Creator:
Marston, Frederick
Object Type:
Patent
System:
The Portal to Texas History