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US Patent: 3,000,469
Rotary work holder
Patentee: Bernard F. Froehlich (exact or similar names) - Colerain Township, OH USPTO Classifications: 188/72.7, 408/90, 74/405, 74/813R Tool Categories: metalworking machines : rotary tables Assignees: Troyke Mfg. Co. - Sharonville, OH Manufacturer: Troyke Mfg. Co. - Cincinnati, OH Witnesses: Unknown	Patent Dates: Applied: Dec. 17, 1958 Granted: Sep. 19, 1961 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Troyke Mfg. Co.
Description: Seen on a Model R-21 rotary table from Troyke Mfg. Co., along with patents 2,679,787 and 3,100,636.

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