Granted Patent
Utility
US 4,709,144 · App. 06/847,382
Color imager utilizing novel trichromatic beamsplitter and photosensor
Inventor:
Kent D. Vincent
Patented Case
View Patent ↗
Granted: Nov 24, 1987
Filed: Apr 2, 1986
Inventor
Kent D. Vincent
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.