Granted Patent
Utility
US 4,285,463 · App. 06/090,505
Decanting centrifuge
Inventor:
Franklin F. Intengan
Patented Case
View Patent ↗
Granted: Aug 25, 1981
Filed: Nov 1, 1979
Inventor
Franklin F. Intengan
Assignee (at issue)
American Hospital Supply Corp.
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.