Granted Patent
Utility
US 4,575,370 · App. 06/671,540
Centrifuge employing variable height discharge weir
Inventor:
Peter L. LaMontagne
Patented Case
View Patent ↗
Granted: Mar 11, 1986
Filed: Nov 15, 1984
Inventor
Peter L. LaMontagne
Assignee (at issue)
Pennwalt Corporation
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.