Granted Patent
Utility
US 5,291,521 · App. 07/820,113
Index assignment in redundancy-coded data communication systems
Inventors:
William L. Betts, Stanley Bottoms
Patented Case
View Patent ↗
Granted: Mar 1, 1994
Filed: Jan 13, 1992
Inventors
William L. Betts
Stanley Bottoms
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.