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US Patent: 208,491
Gear Cutting Attachment for Lathes
Patentee: John W. Post (exact or similar names) - New York, NY USPTO Classifications: 409/220, 409/222, 74/816 Tool Categories: metalworking machines : metal lathes : metal lathe accessories and attachments metalworking machines : gear making machines Assignees: Useful Machinery Co. - New York, NY Manufacturer: Useful Machinery Co. - New York, NY Witnesses: Unknown	Patent Dates: Applied: Mar. 11, 1878 Granted: Oct. 01, 1878 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Useful Machinery Co.

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