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All Patents of Type: vernier calipers
Patents 1 - 5 of 5
First set of recordsLast set of records
NumberDatePatenteeTitleType
506,703Oct. 17, 1893J.H. LynchVernier Calipersvernier calipers
706,148Aug. 05, 1902C.J. BanksMicrometervernier calipers
718,266Jan. 13, 1903F.G. MarbachVernier and Micrometer Calipersmicrometers
2,799,942Jul. 23, 1957H.W. EhlerUnitary rule slidevernier calipers
3,060,584Oct. 30, 1962R. WestfallVernier Calipervernier calipers
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