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Patents for C. E. Johansson, Inc.
Patents 1 - 6 of 6
First set of recordsLast set of records
NumberDatePatenteeTitleType
SE-17,017Jan. 30, 1904C.E. JohanssonGauge Block Sets for Precision Measurementmeasuring tools
1,740,695Dec. 24, 1929C.E. JohanssonGaugeinside micrometers
1,810,710Jun. 16, 1931C.E. JohanssonGaugeinside micrometers
1,889,897Dec. 06, 1932C.E. JohanssonSurface platesurface plates
1,991,854Feb. 19, 1935C.E. JohanssonApparatus for demonstrating the adhesion of flat surfacesmeasuring tools
2,026,684Jan. 07, 1936C.E. JohanssonDemonstration apparatus
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