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US Patent: 1,391,177
Chuck
Patentee:
Giles H. Du Sell (exact or similar names) - Chicago, IL

USPTO Classifications:
279/74, 279/76

Tool Categories:

Assignees:
None

Manufacturer:
Independent Pneumatic Tool Co. - Aurora, IL

Witnesses:
Unknown

Patent Dates:
Applied: Jan. 10, 1921
Granted: Sep. 20, 1921

Patent Pictures:
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Vintage Machinery entry for Thor Power Tool Co.

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