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3 Matching Results
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Car Coupling
Patent for a new and useful improvements in Car couples. This invention "relates to automatic car couples, and more particularly to that class known as " swing-pin" couples" (line 11 - 13).
Date:
November 16, 1897
Creator:
Gillespie, Charles W.
System:
The Portal to Texas History
Clutch Clamp.
Patent for a new and improved clutch-clamp. This design "is to provide a simple and effective device for lowering or hoisting the pipe or rods of pumps into bored wells or other places, such as mines or shafts, and without injury to the pipe or rod, such device being not only readily and easily handled in connecting it to or disconnecting it from the object to be raised or lowered, but capable of being manufactured at comparatively small cost" (lines 20-29).
Date:
August 16, 1887
Creator:
McCoy, John William
System:
The Portal to Texas History
Hasp-Fastener
Patent for a hasp fastener for doors.
Date:
April 16, 1912
Creator:
Matthews, Robert E.
System:
The Portal to Texas History