Granted Patent
Utility
US 6,597,105 · App. 09/553,217
Fluorescent lamp with amalgam container
Inventors:
Toshiyoshi Oga, Noriyuki Uchida, Nobuyuki Tsubakihara
Patented Case
View Patent ↗
Granted: Jul 22, 2003
Filed: Apr 20, 2000
Inventors
Toshiyoshi Oga
Noriyuki Uchida
Nobuyuki Tsubakihara
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.