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US Patent: 1,868,840
Ratchet lever
Patentees:
Edward H. Peterson - Chicago, IL
Norris F. McNaught - Chicago, IL

USPTO Classifications:
74/156, 81/61, D8/25

Tool Categories:

Assignees:
Duro Metal Products Co. - Chicago, IL

Manufacturer:
Duro Metal Products Co. - Chicago, IL

Witnesses:
Unknown

Patent Dates:
Applied: Jul. 03, 1930
Granted: Jul. 26, 1932

Patent Pictures:
USPTO pdf tiff
Google Patents
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"Vintage Machinery" entry for Duro Metal Products Co.

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