Granted Patent
Utility
US 5,590,955 · App. 08/113,432
Variable light modifier
Inventors:
James Bornhorst, Bradley Ellis, Richard W. Hutton
Patented Case
View Patent ↗
Granted: Jan 7, 1997
Filed: Aug 27, 1993
Inventors
James Bornhorst
Bradley Ellis
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.