Granted Patent
Utility
US 6,550,939 · App. 09/953,537
Light beam shutter apparatus
Inventor:
Travis Reinert
Patented Case
View Patent ↗
Granted: Apr 22, 2003
Filed: Sep 12, 2001
Inventor
Travis Reinert
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.