Granted Patent
Utility
US 5,673,999 · App. 08/464,536
LCD backlighting method and apparatus using a xenon flash tube including drive circuit
Inventor:
Steven E. Koenck
Patented Case
View Patent ↗
Granted: Oct 7, 1997
Filed: Jun 5, 1995
Inventor
Steven E. Koenck
Assignee (at issue)
Norand 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.