Granted Patent
Utility
US 4,476,231 · App. 06/286,027
Method of analyzing the distribution of a reagent between particles and liquid in a suspension
Inventors:
Fred H. Deindoerfer, James R. Gangwer
Patented Case
View Patent ↗
Granted: Oct 9, 1984
Filed: Jul 22, 1981
Inventors
Fred H. Deindoerfer
James R. Gangwer
Assignee (at issue)
International Remote Imaging Systems, Inc.
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.