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4 Matching Results
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Wrench.
Patent for a wrench that is adjustable to different size nuts and has a reciprocating screw member.
Date:
July 16, 1907
Creator:
Daniel, Robert O.
System:
The Portal to Texas History
Knee-Protector
Patent for a knee protector "adapted to be worn by cotton pickers, miners, and other workmen who are required to walk or labor while resting on the knees. The present invention contemplates the provision of a knee protector of unique construction...the present device while applied to the knee, permitting the wearer to walk conveniently either while standing or kneeling."
Date:
March 16, 1915
Creator:
Bassett, Rufus C.
System:
The Portal to Texas History
Wagon or Vehicle Tongue Support.
Patent for the improvement of vehicle support through the use of these supports for easier transportation.
Date:
January 16, 1912
Creator:
Wilhelm, Dee W.
System:
The Portal to Texas History
Lamp Chimney Cap.
Patent for a new and improved cap for oil lamps. A lamp "equipped with [this] improvement may therefore be carried outdoors without danger of being put out or exploding on account of rain or wind. The protector, being made of metal, also serves by radiation to equalize the heat of the chimney and prevent it from cracking" (lines 48-54). Further, it is simpler and more durable than previous lamp-chimney caps.
Date:
October 16, 1883
Creator:
Wiesendanger, Emil Ulrich
System:
The Portal to Texas History