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US Patent: 1,825,060
Revolving Holder Machine Tool
Patentee: George E. Hallenbeck (exact or similar names) - Toledo, Lucas County, OH USPTO Classifications: 279/6, 409/232, 82/131 Tool Categories: metalworking machines : drilling and boring : drilling and boring tool holders Assignees: Baker Brothers, Inc. - Toledo, Lucas County, OH Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: May 24, 1926 Granted: Sep. 29, 1931 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Baker Brothers

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