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US Patent: 597,345
Combination Tool
Hamilton E. Welsh - Columbia, PA

USPTO Classifications:
30/408, 7/138, 7/154, 7/158, 81/124.3

Tool Categories:
household tools
combination tools

T. J. Clepper - Columbia, PA
Hamilton E. Welsh - Columbia, PA

Not known to have been produced

R. S. Shepard
John F. DenHerwiel
Scott Patton
Ellwood Cooper

Patent Dates:
Applied: May 17, 1897
Granted: Jan. 11, 1898

Patent Pictures:
Hamilton E. Welsh patent January 11, 1898
USPTO pdf tiff
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The functions noted in the specifications include paring blade, knife sharpening steel, wrench, can opener, grater or fish scaler, screwdriver, gimlet, and corkscrew.

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