Granted Patent
Utility
US 6,023,129 · App. 09/027,032
Metal halide lamp
Inventors:
Tomoyuki Seki, Akira Mii
Patented Case
View Patent ↗
Granted: Feb 8, 2000
Filed: Feb 20, 1998
Inventors
Tomoyuki Seki
Akira Mii
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.