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Valve-Lifter For Automobiles
Patent for improvement in valve-lifters for automobiles. The object of the device is to compress a spring of the intake and exhaust valves of an automobile. Also for the quick removal of the valve.
Date:
February 15, 1921
Creator:
Patterson, George G.
System:
The Portal to Texas History
Cultivator.
Patent for improvements in cultivating devices such as weeders which includes a labor reducing tool to pull out weeds and grasses from various types of lands including instructions and an illustration.
Date:
February 15, 1916
Creator:
Luckey, Bert C.
System:
The Portal to Texas History