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US Patent: 973,620
Power Hammer
Patentees:
James A. Brown (exact or similar names) - Los Angeles, Los Angeles County, CA
Fred E. Sutherland (exact or similar names) - Los Angeles, Los Angeles County, CA

USPTO Classifications:
72/444, 72/456

Tool Categories:
metalworking machines : forging machines : power hammers

Assignees:
Radial Power Hammer Co. - Los Angeles, Los Angeles County, CA

Manufacturer:
Radial Power Hammer Co. - Los Angeles, Los Angeles County, CA

Witnesses:
Charles Rixon, Jr.
Edgar Rixon
Lute s Atter
Harr L. Leatheis

Patent Dates:
Applied: May 27, 1909
Granted: Oct. 25, 1910

Patent Pictures: [ 1 | 2 ]
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"Vintage Machinery" entry for Radial Power Hammer Co.

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