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Patents for William R. Heath
Patents 1 - 3 of 3
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
  2,301,045Nov. 03, 1942W.R. HeathUnit heater
  2,642,219Jun. 16, 1953W.R. HeathFan housing
  CA-521,651Feb. 07, 1956W.R. HeathFan housings
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