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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: USPTO (New site tip) Google Patents 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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