Granted Patent
Utility
US 6,658,619 · App. 09/679,286
Systems and methods for implementing hierarchical acknowledgement bitmaps in an ARQ protocol
Inventor:
Dayong Chen
Patented Case
View Patent ↗
Granted: Dec 2, 2003
Filed: Oct 6, 2000
Inventor
Dayong Chen
Assignee (at issue)
ERICSSON GMBH
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.