Granted Patent
Utility
US 6,516,004 · App. 09/209,801
HDLC digital data transmission protocol controller
Inventors:
Cesar Douady, Philippe Boucard
Patented Case
View Patent ↗
Granted: Feb 4, 2003
Filed: Dec 11, 1998
Inventors
Cesar Douady
Philippe Boucard
Assignee (at issue)
T. Sqware 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.