Granted Patent
Utility
US 5,838,397 · App. 08/542,396
Optical fluid for projector prism
Inventor:
Craig P. Stephens
Patented Case
View Patent ↗
Granted: Nov 17, 1998
Filed: Oct 12, 1995
Inventor
Craig P. Stephens
Assignee (at issue)
Hughes-JVC Technology 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.