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US Patent: 3,404,457
Hand Tool
Patentee:
John E. Swanstrom, Sr. - Duluth, MN

USPTO Classifications:
30/267, 606/174, 606/208, 76/104.1, 81/416

Tool Categories:

Assignees:
Diamond Tool and Horseshoe Co. - Duluth, MN

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jul. 26, 1966
Granted: Oct. 08, 1968

Patent Pictures:
USPTO pdf tiff
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