Granted Patent
Utility
US 5,811,933 · App. 08/795,164
High-pressure discharge lamp
Inventors:
Hubertus C. M. Van Den Nieuwenhuizen, Martinus J.M. Kessels, Gerardus M. J. F. Luijks, Willem J. Van Den Hoek, Hendrik Mattheus Bleeker
Patented Case
View Patent ↗
Granted: Sep 22, 1998
Filed: Feb 7, 1997
Inventors
Hubertus C. M. Van Den Nieuwenhuizen
Martinus J.M. Kessels
Gerardus M. J. F. Luijks
Willem J. Van Den Hoek
Hendrik Mattheus Bleeker
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.