Granted Patent
Utility
US 6,796,683 · App. 10/435,429
Color mixing apparatus for theatrical ellipsoidal spotlights
Inventors:
Michael W. Wood, Thomas Shaw Cavness, Glenn Lee Fields, Douglas K. Franklin, Mary Alice D. Goewey, Lynwood J. Norrgard, Jesse Dale Trevino
Patented Case
View Patent ↗
Granted: Sep 28, 2004
Filed: May 9, 2003
Inventors
Michael W. Wood
Thomas Shaw Cavness
Glenn Lee Fields
Douglas K. Franklin
Mary Alice D. Goewey
Lynwood J. Norrgard
Jesse Dale Trevino
Assignee (at issue)
High End 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.