Granted Patent
Utility
US 5,907,437 · App. 08/891,393
Converging optics for a single light valve full-color projector
Inventors:
Donald E. Sprotbery, Arno G. Ledebuhr
Patented Case
View Patent ↗
Granted: May 25, 1999
Filed: Jul 10, 1997
Inventors
Donald E. Sprotbery
Arno G. Ledebuhr
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.