Granted Patent
Utility
US 6,236,774 · App. 09/274,271
Optoelectronic and photonic devices formed of materials which inhibit degradation and failure
Inventors:
Hilary S. Lackritz, Tony C. Kowalczyk, Yeong-Cheng Lee, David A. G. Deacon
Patented Case
View Patent ↗
Granted: May 22, 2001
Filed: Mar 22, 1999
Inventors
Hilary S. Lackritz
Tony C. Kowalczyk
Yeong-Cheng Lee
David A. G. Deacon
Assignee (at issue)
GEMFIRE CORPORATION
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.