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US Patent: 39,800
Improvement in skate-fastenings
Patentee:
Frank Douglas - Norwich, CT

USPTO Classifications:
280/11.3

Tool Categories:

Assignees:
None

Manufacturer:
Douglas, Rogers & Co. - Norwich, CT

Witnesses:
Zebulon R. Robbins
Othniel Gager

Patent Dates:
Granted: Sep. 08, 1863

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Frank Douglas Machinery Co.

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