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US Patent: 1,639,269
Method Of Making Tools
Karl Potschner - Dover, OH

USPTO Classifications:
72/333, 72/362, 76/114, 81/177.1

Tool Categories:
tool making : making wrenches
wrenches : wrench components : wrench handle components
wrenches : pliers type wrenches


Not known to have been produced

none listed

Patent Dates:
Applied: Apr. 26, 1924
Granted: Aug. 16, 1927

Patent Pictures:
Karl Potschner patent August 16, 1927
USPTO pdf tiff
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The patent notes the metal working processes and sequence of steps used to produce the "fixed handle" portion of the plier wrench in patent no. 1,494,015.

The tool produced with this process was marketed as the GRIP-N-STIK plier wrench.

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