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US Patent: 2,630,718
Variable-speed mechanism
Patentee:
Frederick D. Dickas - Sidney, OH

USPTO Classifications:
74/337.5, 74/359, 74/473.1

Tool Categories:

Assignees:
Sidney Machine Tool Co. - Sidney, OH

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jul. 19, 1949
Granted: Mar. 10, 1953

Patent Pictures:
USPTO pdf tiff
Google Patents
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"Vintage Machinery" entry for Sidney Tool Co.

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