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US Patent: 955,623
Power Hammer
Patentee: William H. Welch (exact or similar names) - Cleveland, Cuyahoga County, OH USPTO Classifications: 72/434, 72/441, 72/450 Tool Categories: metalworking machines : forging machines : power hammers Assignees: None Manufacturer: Welch Hammer & Machine Co. - Cleveland, Cuyahoga County, OH Witnesses: R. A. Castner O. C. Billman F. C. Valentine George H. Billulan	Patent Dates: Applied: Sep. 29, 1909 Granted: Apr. 19, 1910 Patent Pictures: [ 1 | 2 ] USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Welch Hammer & Machine Co.

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