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US Patent: 946,073
Variable Speed Mechanism
Patentee:
Herman W. Schatz - Cincinnati, OH

USPTO Classifications:
74/359

Tool Categories:

Assignees:
American Tool Works Co. - Hamilton, OH

Manufacturer:
Not known to have been produced

Witnesses:
Oliver B. Kaiser
S. Beck

Patent Dates:
Applied: Dec. 28, 1908
Granted: Jan. 11, 1910

Patent Pictures:
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"Vintage Machinery" entry for American Tool Works Co.
Description:
Wood & Wood - patent attorneys

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