Granted Patent
Utility
US 5,347,383 · App. 07/943,994
High speed, low power driving circuit for liquid crystal shutter
Inventor:
John D. Fergason
Patented Case
View Patent ↗
Granted: Sep 13, 1994
Filed: Sep 11, 1992
Inventor
John D. Fergason
Assignee (at issue)
OSD Envizion, Inc.
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.