Granted Patent
Utility
US 5,959,768 · App. 08/714,963
Light pattern generator formed on a transparent substrate
Inventor:
Richard W. Hutton
Patented Case
View Patent ↗
Granted: Sep 28, 1999
Filed: Sep 17, 1996
Inventor
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.