Granted Patent
Utility
US 4,800,474 · App. 06/863,440
Color wheel assembly for lighting equipment
Inventor:
James Bornhorst
Patented Case
View Patent ↗
Granted: Jan 24, 1989
Filed: May 15, 1986
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.