Granted Patent
Utility
US 5,283,697 · App. 07/941,023
Passive protection of optically sensitive materials with tarnsition-metal organometallic cluster compounds
Inventors:
Lee W. Tutt, Stephen William McCahon
Patented Case
View Patent ↗
Granted: Feb 1, 1994
Filed: Sep 4, 1992
Inventors
Lee W. Tutt
Stephen William McCahon
Assignee (at issue)
Hughes Aircraft Company
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.