Granted Patent
Utility
US 5,825,548 · App. 08/927,917
Cross-fading color filter and system
Inventors:
James Bornhorst, Richard W. Hutton
Patented Case
View Patent ↗
Granted: Oct 20, 1998
Filed: Sep 11, 1997
Inventors
James Bornhorst
Richard W. Hutton
Assignee (at issue)
Vari-Lite, 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.