Granted Patent
Utility
US 6,230,255 · App. 07/548,709
Communications processor for voice band telecommunications
Inventors:
Safdar M. Asghar, John G. Bartkowiak
Patented Case
View Patent ↗
Granted: May 8, 2001
Filed: Jul 6, 1990
Inventors
Safdar M. Asghar
John G. Bartkowiak
Assignee (at issue)
Advanced Micro Devices, 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.