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All Patents in class 236/1H
Patents 1 - 5 of 5
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
  1,980,789Nov. 13, 1934E.J. dillControl Apparatus
  2,062,262Nov. 24, 1936E.J. DillmanControl Device
  2,085,300Jun. 29, 1937E.J. DillmanControl Device
  2,093,693Sep. 21, 1937E.J. DillmanControl Device
  2,276,227Mar. 10, 1942E.J. DillmanControl Device
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