Granted Patent
Utility
US 4,564,598 · App. 06/397,285
Limited volume method for particle counting
Inventor:
Jonathan Briggs
Patented Case
View Patent ↗
Granted: Jan 14, 1986
Filed: Jul 12, 1982
Inventor
Jonathan Briggs
Assignee (at issue)
Syntex (U.S.A.) LLC
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.