Granted Patent
Utility
US 6,704,789 · App. 09/564,635
SIM based authentication mechanism for DHCPv4/v6 messages
Inventors:
Juha Ala-Laurila, Patrik Flykt, Nadarajah Asokan
Patented Case
View Patent ↗
Granted: Mar 9, 2004
Filed: May 3, 2000
Inventors
Juha Ala-Laurila
Patrik Flykt
Nadarajah Asokan
Assignee (at issue)
Nokia
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.