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US Patent: 3,610,274
Fluid Logic Circuit
Patentees: George Napoleon Levesque (exact or similar names) - Providence, Providence County, RI Alfred Hirt (exact or similar names) - East Greenwich, Kent County, RI USPTO Classifications: 137/519, 137/559, 137/599.04, 137/599.07, 137/601.13, 137/864, 137/884, 251/61.1 Tool Categories: Assignees: Brown & Sharpe Mfg. Co. - Providence, Providence County, RI Manufacturer: Brown & Sharpe Mfg. Co. - Providence, Providence County, RI Witnesses: Unknown	Patent Dates: Applied: Oct. 08, 1969 Granted: Oct. 05, 1971 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens Vintage Machinery entry for Brown & Sharpe Mfg. Co.

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