Granted Patent
Utility
US 5,793,352 · App. 08/612,348
Source coupler for multimedia projection display system
Inventors:
Robert Y. Greenberg, Jorell A. Olson, Gerald E. Duffy, Mark Schoening
Patented Case
View Patent ↗
Granted: Aug 11, 1998
Filed: Mar 7, 1996
Inventors
Robert Y. Greenberg
Jorell A. Olson
Gerald E. Duffy
Mark Schoening
Assignee (at issue)
InFocus Systems, 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.