Granted Patent
Utility
US 4,878,109 · App. 07/154,490
Unsynchronized multispectral video filtering system with filter identification sensor within field of view and video signal responsive
Inventor:
W. Daniel Hillis
Patented Case
View Patent ↗
Granted: Oct 31, 1989
Filed: Feb 8, 1988
Inventor
W. Daniel Hillis
Assignee (at issue)
Thinking Machines, LLC
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.