UNT Libraries Government Documents Department - 4 Matching Results

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Gin-Saw-Filing Machine.

Description: Patent for a machine that is meant to file circular saws. The invention files "saws while mounted side-by side upon a saw arbor, as cotton gin saws usually are; means for moving the file carriage along upon the frame of the machine to locate it in front of the individual saws which are to be filed; means for raising and carrying the file over the saws when the carriage is to be moved; means for securing the file sash on the file carriage and of securing the file carriage upon the main frame by … more
Date: December 19, 1893
Creator: McCurry, James C.

Can-Opener.

Description: Patent for a can opener that is made from "a single flat piece of metal" (line 17) and is made for ease of operation, reducing the chance of the user cutting themselves.
Date: March 19, 1918
Creator: Williams, Paul E.
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