Granted Patent
Utility
US 5,561,304 · App. 08/129,208
Electroluminescent silicon device
Inventors:
Leigh Canham, Weng Y. Leong, Timothy I. Cox
Patented Case
View Patent ↗
Granted: Oct 1, 1996
Filed: Oct 8, 1993
Inventors
Leigh Canham
Weng Y. Leong
Timothy I. Cox
Assignee (at issue)
The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern Ireland
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.