Granted Patent
Utility
US 5,481,321 · App. 07/917,517
Stereoscopic motion picture projection system
Inventor:
Lenny Lipton
Patented Case
View Patent ↗
Granted: Jan 2, 1996
Filed: Jul 17, 1992
Inventor
Lenny Lipton
Assignee (at issue)
Stereographics Corporation
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.