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US Patent: 1,737,881
Change Gear Mechanism
Patentee:
William F. Groene - Cincinnati, OH

USPTO Classifications:
74/333, 74/342

Tool Categories:
metalworking machines : machine mechanisms

Assignees:
R. K. Le Blond Machine Tool Co. - Cincinnati, OH

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jan. 12, 1922
Granted: Dec. 03, 1929

Patent Pictures:
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"Vintage Machinery" entry for R. K. Leblond Machine Tool Co.

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