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US Patent: 2,111,299
Magnetic Sine Table
Patentee: Omer E. Robbins (exact or similar names) - Detroit, Wayne County, MI USPTO Classifications: 269/8, 33/536, 409/224, 409/225, 451/387 Tool Categories: metalworking tools : jigs and fixtures : angle bars and angle plates metalworking machines : grinders : grinding attachments Assignees: None Manufacturer: Ex-Cell-O Corp. - Greenville, Darke County, OH Witnesses: Unknown	Patent Dates: Applied: Jan. 22, 1937 Granted: Mar. 15, 1938 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for EX-CELL-O Machine Tools, Inc.
Description: This Magnetic Sine Table was also patented in France, #FR-828,200. The French patent was on a Sine-Magnetic Chuck manufactured by the Ex-Cell-O Corp.

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