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US Patent: 3,456,394
Grinding machines
Patentee: Robert J. Welsh (exact or similar names) - Manchester, England USPTO Classifications: 451/11, 451/142 Tool Categories: Assignees: Churchill Machine Tool Co., Ltd. - Broadheath, England Manufacturer: Churchill Machine Tool Co., Ltd. - Broadheath, England Witnesses: Unknown	Patent Dates: Applied: Nov. 26, 1965 Granted: Jul. 22, 1969 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Churchill Machine Tool Co., Ltd.

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