Granted Patent
Utility
US 5,135,183 · App. 07/764,275
Dual-image optoelectronic imaging apparatus including birefringent prism arrangement
Inventor:
Colin G. Whitney
Patented Case
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Granted: Aug 4, 1992
Filed: Sep 23, 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.