Granted Patent
Utility
US 4,226,935 · App. 05/931,334
Enzymatic diagnostic composition
Inventor:
Murray C. Fusee
Patented Case
View Patent ↗
Granted: Oct 7, 1980
Filed: Aug 7, 1978
Inventor
Murray C. Fusee
Assignee (at issue)
W. R. Grace & Co.
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.