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All Patents in class 235/140
Patents 1 - 5 of 5
First set of recordsLast set of records
NumberDatePatenteeTitleType
130,017Jul. 30, 1872H. ChandlerCounting Machine
498,793Jun. 06, 1893E.P. HollyCash Registercash registers
622,091Mar. 28, 1899J.A. TurckAdding-machine and register
1,437,353Nov. 28, 1922J.W. ParkerRevolution counterrpm speed gauges and tachometers
2,129,979Sep. 13, 1938A. Kaufmann, G.L. Storm, C. WesterveltMeasuring Devicemeasurement gauges
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