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US Patent: 1,343,554
Machine for Forming Grooves
Patentee: William F. Fischer (exact or similar names) - Philadelphia, PA USPTO Classifications: 409/289, 409/305, 409/306, 82/902 Tool Categories: metalworking machines : oil grooving machines Assignees: None Manufacturer: Fischer Machine Co. - Philadelphia, PA Witnesses: Unknown	Patent Dates: Applied: Jun. 28, 1919 Granted: Jun. 15, 1920 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Fischer Machine Co.

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