Granted Patent
Utility
US 5,998,934 · App. 09/072,587
Microwave-excited discharge lamp apparatus
Inventors:
Mutsumi Mimasu, Koichi Katase, Katsushi Seki
Patented Case
View Patent ↗
Granted: Dec 7, 1999
Filed: May 4, 1998
Inventors
Mutsumi Mimasu
Koichi Katase
Katsushi Seki
Assignee (at issue)
Matsushita Electronics 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.