Granted Patent
Utility
US 5,793,441 · App. 08/532,998
Method and apparatus for measuring illumination uniformity of a liquid crystal light valve projector
Inventor:
James G. Hagerman
Patented Case
View Patent ↗
Granted: Aug 11, 1998
Filed: Sep 25, 1995
Inventor
James G. Hagerman
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.