Granted Patent
Utility
US 5,118,994 · App. 07/529,025
Method and circuit for improved HID lamp maintenance
Inventors:
Wojciech W. Byszewski, Brian Dale, Philip D. Gregor, A. Bowman Budinger, Yan Li
Patented Case
View Patent ↗
Granted: Jun 2, 1992
Filed: May 25, 1990
Inventors
Wojciech W. Byszewski
Brian Dale
Philip D. Gregor
A. Bowman Budinger
Yan Li
Assignee (at issue)
GTE Laboratories Incorporated
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.