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All Patents in class 451/388
Patents 1 - 5 of 5
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,263,057Apr. 16, 1918J.T. GriffinMica Grinding Machine
2,372,812Apr. 03, 1945H.E. CrozierVacuum polishing lathepolishing machines
3,293,739Dec. 27, 1966C.W. Hoglund, A.G. CoyMethod of holding deformable objectswork holding
4,705,438Nov. 10, 1987S.S. Zimmerman, L.W. SyartoMachining center having an inclinable vacuum-holding worktablework holding
4,719,721Jan. 19, 1988L.E. StumpConveyor bed assembly and vacuum platenbelt sanders
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