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US Patent: 2,206,364
Screw Driver Attachment
Patentee:
John N. Petre (exact or similar names) - Orchard Park, NY

USPTO Classifications:
81/453, D8/86

Tool Categories:
screwdrivers : screwdriver mechanisms

Assignees:
Park Metalware Co., Inc. - Orchard Park, NY

Manufacturer:
Not known to have been produced

Witnesses:
J. T. L. Wright

Patent Dates:
Applied: Jun. 13, 1938
Granted: Jul. 02, 1940

Patent Pictures:
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