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Patents Granted on 1971-05-__
Patents 1 - 7 of 7
First set of recordsLast set of records
NumberDatePatenteeTitleType
3,577,684May 04, 1971J. ZigmantAbrading machine with steering roll and tensioned abrading belt
D220,721May 11, 1971B. StevensTurning centermetal lathes
3,578,308May 11, 1971J. JesionowskiVisemetalworking machine vises
3,578,890May 18, 1971O.F. JensenRotary Steam Enginerotary steam engines
3,580,135May 25, 1971G.H. JonesClamping Apparatus for a Machine Toolmetalworking machine mechanisms
3,580,593May 25, 1971L.H. SprungerAntisway suspension system for an axled vehicle
3,580,834May 25, 1971R.K. SedgwickApparatus for Machining Metals Electrochemicallyelectrochemical machining
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