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US Patent: 2,381,741
Pump or motor unit
Patentee: Christian E. Grosser (exact or similar names) - Winchester, MA USPTO Classifications: 60/490, 91/484, 91/494, 91/497 Tool Categories: industrial machines : pumps : hydraulic pumps Assignees: Standard Machinery Co. (Rhode Island) - Cranston, RI Manufacturer: Standard Machinery Co. (Rhode Island) - Cranston, RI Witnesses: Unknown	Patent Dates: Applied: Oct. 22, 1942 Granted: Aug. 07, 1945 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Standard Machinery Co. (Rhode Island)

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