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US Patent: 1,431,415
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: 403/379.3, 403/391, 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: Oct. 10, 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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