Granted Patent
Utility
US 4,459,677 · App. 06/355,691
VIQ Computer graphics system
Inventors:
Thomas K. Porter, Rodney Stock
Patented Case
View Patent ↗
Granted: Jul 10, 1984
Filed: Mar 8, 1982
Inventors
Thomas K. Porter
Rodney Stock
Assignee (at issue)
Ampex Corporation
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.