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US Patent: 1,428,847
Built-up crank shaft
Patentees:
Francis A. Jimerson (exact or similar names) - Athens, PA
Frederick W. Parsons (exact or similar names) - Elmira, NY

USPTO Classifications:
74/597

Tool Categories:
industrial machines : pneumatic : pneumatic motors

Assignees:
Ingersoll-Rand Co. - Jersey City, NJ

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jun. 01, 1922
Granted: Sep. 12, 1922

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Ingersoll-Rand Co.

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