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US Patent: 2,522,217
Composite bit device for screw drivers and the like
Patentees:
LeRoy J. Wendling (exact or similar names) - Dayton, OH
Harry G. Fischer (exact or similar names) - Dayton, OH

USPTO Classifications:
81/438, 81/460, 81/52

Tool Categories:
screwdrivers : screwdriver bits and holders

Assignees:
Apex Machine & Tool Co. - Dayton, OH

Manufacturer:
Apex Machine & Tool Co. - Dayton, OH

Witnesses:
Unknown

Patent Dates:
Applied: Jul. 29, 1943
Granted: Sep. 12, 1950

Patent Pictures: [ 1 | 2 | 3 ]
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Vintage Machinery entry for Apex Machine Co.
Description:
Wooden handled example marked APEX Made in USA 1500. Plastic handled example marked 1510.

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