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US Patent: 504,757
Screwdriver
Patentee:
Anton Schuermann - Decatur, IL

USPTO Classifications:
279/102, 7/165, 7/167, 81/438, 81/439

Tool Categories:
screwdrivers : screwdriver blades

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Ina Graham
Nora Graham
C. W. Montgomery
L. P. Graham

Patent Dates:
Applied: Jun. 10, 1893
Granted: Sep. 12, 1893

Patent Pictures:
USPTO pdf tiff
Google Patents
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Description:
L. P. Graham - patent attorney

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