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CA Patent: CA-89,850
Power Hammer Marteau Mecanique
Patentee: Henry W. Hathorn (exact or similar names) - Mason City, Cerro Gordo County, IA USPTO Classifications: Tool Categories: metalworking machines : forging machines : trip and helve hammers Assignees: None Manufacturer: Hathorn Foundry & Machine Co. - Mason City, Cerro Gordo County, IA Witnesses: Unknown	Patent Dates: Applied: May 31, 1904 Granted: Nov. 01, 1904 Patent Pictures: [ 1 | 2 ] CIPO Data Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Hathorn Foundry & Machine Co.
Description: This is the Canadian equivalent of U. S. patent #758,361.

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