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All Patents in class 337/323
Patents 1 - 3 of 3
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
  1,926,706Sep. 12, 1933E.J. Dillman, L.W. EgglestonControl Device
  1,953,469Apr. 03, 1934E.J. Dillman, L.W. EgglestonElectric Switch
  2,209,767Jul. 30, 1940E.J. DillmanThermostat
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