Granted Patent
Utility
US 4,620,293 · App. 06/565,062
Optical matrix multiplier
Inventors:
Richard S. Schlunt, Hans-Peter Schmid, Donald R. Fetterly
Patented Case
View Patent ↗
Granted: Oct 28, 1986
Filed: Dec 23, 1983
Inventors
Richard S. Schlunt
Hans-Peter Schmid
Donald R. Fetterly
Assignee (at issue)
General Dynamics Corp., Pomona Division
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.