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US Patent: 725,141
Speed Changing Mechanism
Patentees:
Albert E. Robinson - Covington, KY
Charles F. Laur - Cincinnati, OH

USPTO Classifications:
74/333, 74/745

Tool Categories:
metalworking machines : metal lathes

Assignees:
American Tool Works Co. - Cincinnati, OH

Manufacturer:
American Tool Works Co. - Cincinnati, OH

Witnesses:
Herbert F. Harden
August F. Herbsleb
Lowry N. Bauer

Patent Dates:
Applied: Oct. 17, 1902
Granted: Apr. 14, 1903

Patent Pictures:
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American Tool Works Lathe
"Vintage Machinery" entry for American Tool Works Co.
Description:
S. F. Herbsleb - patent attorney

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