Granted Patent
Utility
US 4,292,296 · App. 05/941,707
Diagnostic method
Inventor:
George Henry Parsons
Patented Case
View Patent ↗
Granted: Sep 29, 1981
Filed: Sep 12, 1978
Inventor
George Henry Parsons
Assignee (at issue)
Baxter Travenol Laboratories, 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.