Granted Patent
Utility
US 4,388,563 · App. 06/267,354
Solid-state fluorescent lamp ballast
Inventor:
Tom M. Hyltin
Patented Case
View Patent ↗
Granted: Jun 14, 1983
Filed: May 26, 1981
Inventor
Tom M. Hyltin
Assignee (at issue)
Commodore Electronics Limited
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.