Granted Patent
Utility
US 5,099,178 · App. 07/569,334
Method and system for controlling the brightness of a vacuum fluorescent display
Inventors:
Erich Bozzer, James M. Raffa, Thomas Burke
Patented Case
View Patent ↗
Granted: Mar 24, 1992
Filed: Aug 20, 1990
Inventors
Erich Bozzer
James M. Raffa
Thomas Burke
Assignee (at issue)
Ford Motor Company
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.