Granted Patent
Utility
US 4,602,321 · App. 06/706,720
Light source having automatically variable hue, saturation and beam divergence
Inventor:
James Bornhorst
Patented Case
View Patent ↗
Granted: Jul 22, 1986
Filed: Feb 28, 1985
Inventor
James Bornhorst
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.