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US Patent: 1,934,910
Collet Means
Patentee: Joseph F. Buhr (exact or similar names) - Ann Arbor, Washtenaw County, MI USPTO Classifications: 279/105.1, 403/118, 403/97 Tool Categories: metalworking machines : drilling and boring : drill presses : drill press accessories Assignees: Buhr Machine Tool Co. - Ann Arbor, Washtenaw County, MI Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Dec. 08, 1932 Granted: Nov. 14, 1933 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Buhr Machine Tool Co
Description: See also patent #1,845,123.

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