Granted Patent
Utility
US 4,430,072 · App. 05/803,007
Centrifuge assembly
Inventors:
Robert M. Kellogg, Victor R. Kruger, Alfred P. Mulzet
Patented Case
View Patent ↗
Granted: Feb 7, 1984
Filed: Jun 3, 1977
Inventors
Robert M. Kellogg
Victor R. Kruger
Alfred P. Mulzet
Assignee (at issue)
International Business Machines 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.