Granted Patent
Utility
US 6,429,602 · App. 09/704,735
Fluorescent lamp operating apparatus
Inventors:
Kenichiro Takahashi, Kazuhiko Ito, Takayuki Imai, Mamoru Takeda
Patented Case
View Patent ↗
Granted: Aug 6, 2002
Filed: Nov 3, 2000
Inventors
Kenichiro Takahashi
Kazuhiko Ito
Takayuki Imai
Mamoru Takeda
Assignee (at issue)
SUMITOMO ELECTRIC INDUSTRIES, LTD.
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.