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Patents for Robert H. Eisengrein
Patents 1 - 5 of 5
First set of recordsLast set of records
NumberDatePatenteeTitleType
2,785,318Mar. 12, 1957R.H. Eisengrein, E.W. EriksonAutomatic paralleling circuit
2,832,197Apr. 29, 1958R.H. Eisengrein, G.H. Hermanson, C.L. SadlerPressure regulating apparatus for a hydraulic control system
2,832,894Apr. 29, 1958R.H. Eisengrein, R.J. W, D.A. StraznickasAutomatic machine
2,885,566May 05, 1959R.H. Eisengrein, G.G. Hermanson, C.L. SadlerControl means
3,136,936Jun. 09, 1964R.H. EisengreinMachine Tool Control Systemmachine tool controls
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