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US Patent: 1,684,231
Stud driver
Patentee:
Axel Levedahl - Aurora, IL

USPTO Classifications:
173/13, 279/158, 81/475, 81/53.2

Tool Categories:
woodworking machines : handheld power tools : handheld power tool accessories

Assignees:
Independent Pneumatic Tool Co. - Chicago, IL

Manufacturer:
Independent Pneumatic Tool Co. - Chicago, IL

Witnesses:
Unknown

Patent Dates:
Applied: Apr. 20, 1925
Granted: Sep. 11, 1928

Patent Pictures:
USPTO pdf tiff
Google Patents
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"Vintage Machinery" entry for Thor Power Tool Co.
Description:
Conversion Tool

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