Granted Patent
Utility
US 6,230,144 · App. 09/110,706
Method and apparatus using an accounting bit for a SIMA network
Inventors:
Kalevi Kilkki, Jussi Ruutu
Patented Case
View Patent ↗
Granted: May 8, 2001
Filed: Jul 7, 1998
Inventors
Kalevi Kilkki
Jussi Ruutu
Assignee (at issue)
Nokia Telecommunications Oy
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.