Granted Patent
Utility
US 5,790,551 · App. 08/563,816
Packet data transmission using dynamic channel assignment
Inventor:
David Chan
Patented Case
View Patent ↗
Granted: Aug 4, 1998
Filed: Nov 28, 1995
Inventor
David Chan
Assignee (at issue)
AT&T WIRELESS SERVICES, 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.