Granted Patent
Utility
US 6,711,245 · App. 10/099,582
Method and apparatus for processing call progress of a serial communication device
Inventors:
Olivier Mardinian, Jonathan How-Lian Ta, Jeffrey Huang
Patented Case
View Patent ↗
Granted: Mar 23, 2004
Filed: Mar 15, 2002
Inventors
Olivier Mardinian
Jonathan How-Lian Ta
Jeffrey Huang
Assignee (at issue)
Apple Computer 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.