Granted Patent
Utility
US 4,381,236 · App. 06/236,033
High pressure rotary centrifugal separator having apparatus for automatically cyclically reciprocating a corotating separator basket scraper
Inventor:
Bradley Cox
Patented Case
View Patent ↗
Granted: Apr 26, 1983
Filed: Feb 19, 1981
Inventor
Bradley Cox
Assignee (at issue)
Baker Perkins Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.