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US Patent: 761,324
Speed Changing Mechanism
Patentee:
William L. Schellenbach - Cincinnati, Hamilton County, OH

USPTO Classifications:
74/333

Tool Categories:
metalworking machines : metalworking machine mechanisms : metalworking machine gearing : metalworking speed changing mechanisms
metalworking machines : metal lathes : engine lathes

Assignees:
American Tool Works Co. - Cincinnati, OH

Manufacturer:
American Tool Works Co. - Cincinnati, Hamilton County, OH

Witnesses:
Herbert F. Harden
Henry N. Bauer

Patent Dates:
Applied: Oct. 30, 1903
Granted: May 31, 1904

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

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