Granted Patent
Utility
US 4,492,899 · App. 06/497,185
Solid state regulated power supply system for cold cathode luminous tube
Inventor:
Marshal H. Martin
Patented Case
View Patent ↗
Granted: Jan 8, 1985
Filed: May 23, 1983
Inventor
Marshal H. Martin
Assignee (at issue)
Indicator Controls 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.