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Patents for Pratt & Whitney Co.
Patents 256 - 261 of 261
First set of recordsPrevious set of recordsLast set of records
NumberDatePatenteeTitleType
1,980,336Nov. 13, 1934F.O. HoaglandChuck Retaining Meansmetal lathe chucks
2,101,177Dec. 07, 1937F.O. HoaglandBench Type Machine Toolmetal lathe chucks
2,440,916May 04, 1948J.W. Durkee, J.M. RusnakPrecision Measuring and Postioning Devicemeasuring tools
2,991,558Jul. 11, 1961P. CherkasAir Gage Cartridgepneumatic measuring gauges
2,997,873Aug. 29, 1961A.M. Dexter, Jr.Pneumatic Dimension Gagepneumatic measuring gauges
3,136,561Jun. 09, 1964A.D. Parone, J.F. McAuliffeCollet for Fluted Shankless Tooltool holding collets
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