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US Patent: 1,999,225
Interlocked Electric Traverse and Hydraulic Clamp for Mobile Drills
Patentee: Larkin R. Williamson (exact or similar names) - Cincinnati, Hamilton County, OH USPTO Classifications: 105/26.1, 409/900.2 Tool Categories: metalworking machines : metalworking machine mechanisms Assignees: Cincinnati Bickford Tool Co. - Cincinnati, Hamilton County, OH Manufacturer: Cincinnati Bickford Tool Co. - Cincinnati, Hamilton County, OH Witnesses: Unknown	Patent Dates: Applied: Sep. 27, 1932 Granted: Apr. 30, 1935 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Cincinnati Bickford Tool Co.

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