Granted Patent
Utility
US 4,535,445 · App. 06/505,106
Conferencing system adaptive signal conditioner
Inventors:
Michael S. Lane, Steven D. Scholbrock
Patented Case
View Patent ↗
Granted: Aug 13, 1985
Filed: Jun 16, 1983
Inventors
Michael S. Lane
Steven D. Scholbrock
Assignee (at issue)
AT&T Information Systems Inc.
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.