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US Patent: 153,370
Gear Cutting Machines
Patentee: John A. Peer (exact or similar names) - San Francisco, San Francisco County, CA USPTO Classifications: 407/20, 409/57 Tool Categories: metalworking machines : gear making machines Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Apr. 13, 1874 Granted: Jul. 21, 1874 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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