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All Patents in class 236/99K
Patents 1 - 3 of 3
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PictureNumberDatePatenteeTitle
  2,439,336Apr. 06, 1948E.J. DillmanThermostatic Valve
  2,532,896Dec. 05, 1950E.J. DillmanTemperature Operated Valve
  2,548,878Apr. 17, 1951E.J. DillmanThermostatic Valve Having Sealing Diaphragm and Supporting Means Therefor
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