Granted Patent
Utility
US 4,563,671 · App. 06/495,707
Coding technique
Inventors:
Tong L. Lim, Arun N. Netravali
Patented Case
View Patent ↗
Granted: Jan 7, 1986
Filed: May 18, 1983
Inventors
Tong L. Lim
Arun N. Netravali
Assignee (at issue)
AT&T Bell Laboratories
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.