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US Patent: 1,992,311
Coordinated Electric Head and Column Clamp
Patentees: David C. Klausmeyer, deceased (Estate of) (exact or similar names) - Cincinnati, Hamilton County, OH H. Henry Sundermann, Executor (exact or similar names) - Cincinnati, Hamilton County, OH Augustus M. Sosa (exact or similar names) - Cincinnati, Hamilton County, OH USPTO Classifications: 408/236, 408/237, 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: Jul. 18, 1931 Granted: Feb. 26, 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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