Granted Patent
Utility
US 3,934,792 · App. 05/538,492
Centrifuge apparatus
Inventors:
Robert E. High, Albert John Samways
Patented Case
View Patent ↗
Granted: Jan 27, 1976
Filed: Jan 3, 1975
Inventors
Robert E. High
Albert John Samways
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.