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Patents for Crosby Steam Gage & Valve Co.
Patents 61 - 75 of 77
First set of recordsPrevious set of recordsNext set of recordsLast set of records
NumberDatePatenteeTitleType
1,696,452Dec. 25, 1928F.E. RaymondValvesteam safety valves
1,743,430Jan. 14, 1930G.S. CoffinSafety Valvesteam safety valves
1,803,842May 05, 1931K.S. DavidsonGauge Glass Mountinggauges
1,949,930Mar. 06, 1934K.S. DavidsonSteam Valvesteam safety valves
1,951,926Mar. 20, 1934K.S. DavidsonRelief Valveindustrial valves
2,021,773Nov. 19, 1935P.H. GentzelRelief Valvesteam safety valves
2,101,682Dec. 07, 1937E. KlafstadRelief Valvesteam safety valves
2,183,650Dec. 19, 1939G.L. Gundersen, E. KlafstadRelief Valvesteam safety valves
2,213,098Aug. 27, 1940N.J. SmithPen for Recording Instrumentsindustrial recording apparatus
2,239,938Apr. 29, 1941N.J. SmithTube Support for Gauges, Recorders, and the Likeindustrial recording apparatus
2,249,438Jul. 15, 1941N.J. SmithInstrument Case Lockindustrial recording apparatus
2,264,485Dec. 02, 1941N.J. SmithInstrument Mountingindustrial recording apparatus
2,270,975Jan. 27, 1942N.J. SmithChart Holding Deviceindustrial recording apparatus
2,278,951Apr. 07, 1942N.J. Smith, W.L. ThomasIlluminated Dial Instrumentindustrial recording apparatus
2,287,433Jun. 23, 1942E. KlafstadSystem for Safeguarding the Operation of Steam Boilerssteam safety valves
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