Granted Patent
Utility
US 4,432,748 · App. 05/905,695
Centrifuge apparatus and method of operating a centrifuge
Inventors:
John Novoselac, Dale L. Churcher
Patented Case
View Patent ↗
Granted: Feb 21, 1984
Filed: May 15, 1978
Inventors
John Novoselac
Dale L. Churcher
Assignee (at issue)
Joy Manufacturing Company
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.