Granted Patent
Utility
US 6,005,994 · App. 09/158,008
Optical switching gate
Inventors:
Robert I. MacDonald, Jozef Straus
Patented Case
View Patent ↗
Granted: Dec 21, 1999
Filed: Sep 22, 1998
Inventors
Robert I. MacDonald
Jozef Straus
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.