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US Patent: 2,961,806
Pneumatic counterbalancing system for unbalanced rotating bodies Automatic counterbalance for crankshaft grinders
Patentee: James J. Strnad (exact or similar names) - Bedford, OH USPTO Classifications: 451/249, 451/399, 74/603 Tool Categories: trade specific : vehicle repairer : vehicle mechanic : crankshaft maintenance Assignees: Lempco Products, Inc. - Bedford, OH Manufacturer: Lempco Products, Inc. - Bedford, OH Witnesses: Unknown	Patent Dates: Applied: Mar. 06, 1958 Granted: Nov. 29, 1960 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Lempco Products, Inc.

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