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US Patent: 220,145
Planer-Chuck
Patentee: Henry C. Heckendorn (exact or similar names) - Reading, PA USPTO Classifications: 269/194, 269/211, 269/234, 269/243 Tool Categories: metalworking machines : metal planers : metal planer accessories work holding : vises : chucks Assignees: Henry C. Heckendorn - Reading, PA Henry Wilhelm - Reading, PA Manufacturer: H. C. Heckendorn - Reading, PA Heckendorn & Wilhelm - Reading, PA Witnesses: H. A. Zieber C. Holton F. L. Ourand J. J. McCarthy	Patent Dates: Applied: Jun. 24, 1879 Granted: Sep. 30, 1879 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens
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