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All Patents in class 251/297
Patents 1 - 6 of 6
First set of recordsLast set of records
NumberDatePatenteeTitleType
295,676Mar. 25, 1884G. RossAir-pump
608,243Aug. 02, 1898F.D. WinkleyOil-hole cover or capoil or grease fittings
682,550Sep. 10, 1901E.K. Hill, L. KaczanderOilerindustrial machine lubrication
2,019,486Nov. 05, 1935L.F. Nenninger, H. ErnstHyraulically Propelled Machine Toolhydraulic apparatus
2,170,304Aug. 22, 1939C. HerfurthTruing Attachmentgrinding machines
4,416,338Nov. 22, 1983M.L. Foster, R.R. Zuzinec, J.W. NelsonControl Mechanism for a Pneumatic Tool
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