Granted Patent
Utility
US 5,149,970 · App. 07/765,798
"Dual-band optoelectronic imaging apparatus including ""venetian blind"" dichroic plate arrangement"
Inventor:
Colin G. Whitney
Patented Case
View Patent ↗
Granted: Sep 22, 1992
Filed: Sep 26, 1991
Inventor
Colin G. Whitney
Assignee (at issue)
Hughes Aircraft Company
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.