Granted Patent
Utility
US 5,377,032 · App. 08/013,966
Electro-optic light shutter and frame assembly with integrated switching mechanism
Inventors:
Jeffrey K. Fergason, John D. Fergason
Patented Case
View Patent ↗
Granted: Dec 27, 1994
Filed: Feb 5, 1993
Inventors
Jeffrey K. Fergason
John D. Fergason
Assignee (at issue)
OSD Envizion, 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.