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All Patents of Type: clinometers
Patents 1 - 5 of 5
First set of recordsLast set of records
NumberDatePatenteeTitleType
226,723Apr. 20, 1880F.C. DavidsonClinometerclinometers
426,696Apr. 29, 1890W.M. WashburnFarmer's Levelclinometers
444,196Jan. 06, 1891J.H. ParksClinometer or Slope Measurerclinometers
479,803Aug. 02, 1892J.M. HaiseGrade Measureclinometers
730,597Jun. 09, 1903W.A. StallsmithClinometerclinometers
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