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Patent number:
Patent Date:
US Patent: 755,504
Variable Speed Mechanism
Patentees:
Charles F. Laur
- Cincinnati, OH
Albert E. Robinson
- Covington, KY
USPTO Classifications:
74/329
,
74/359
Tool Categories:
Assignees:
American Tool Works Co.
- Cincinnati, OH
Manufacturer:
Not known to have been produced
Witnesses:
Oliver B. Kaiser
Luise Beck
Patent Dates:
Applied:
Oct. 19, 1903
Granted:
Mar. 22, 1904
Patent Pictures:
USPTO
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tiff
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"Vintage Machinery" entry for American Tool Works Co.
Description:
Wood & Wood - patent attorneys
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