Granted Patent
Utility
US 5,141,841 · App. 07/395,218
Radiation sensitive compound
Inventor:
John R. Wade
Patented Case
View Patent ↗
Granted: Aug 25, 1992
Filed: Aug 17, 1989
Inventor
John R. Wade
Assignee (at issue)
Vickers PLC
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.