Granted Patent
Utility
US 6,577,355 · App. 09/519,537
Switchable transparent screens for image projection system
Inventor:
Zvi Yaniv
Patented Case
View Patent ↗
Granted: Jun 10, 2003
Filed: Mar 6, 2000
Inventor
Zvi Yaniv
Assignee (at issue)
SI Diamond Technology, 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.