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US Patent: 920,420
Crank-axle lathe
Patentee:
John L. Bogert (exact or similar names) - New York, NY

USPTO Classifications:
82/106, 82/109, 82/158

Tool Categories:
metalworking machines : metal lathes

Assignees:
None

Manufacturer:
John L. Bogert - Flushing, NY

Witnesses:
M. Hollingshead
T. F. Bourne

Patent Dates:
Applied: Sep. 09, 1904
Granted: May 04, 1909

Patent Pictures:
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Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for John L. Bogert
Description:
Improvements to the lathe of patent 568,063. The improvements are for turning gas-engine crankshafts.

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