Granted Patent
Utility
US 6,646,380 · App. 09/718,245
High-pressure gas discharge lamp
Inventors:
Marcus Kubon, Hermann Krautzberger, Joseph Franciscus Raymond Eijsermans, Dorothea Seebode
Patented Case
View Patent ↗
Granted: Nov 11, 2003
Filed: Nov 22, 2000
Inventors
Marcus Kubon
Hermann Krautzberger
Joseph Franciscus Raymond Eijsermans
Dorothea Seebode
Assignee (at issue)
U.S. Philips 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.