Granted Patent
Utility
US 6,198,721 · App. 09/027,418
Method and system for data transmission in a ring network
Inventor:
Horst Mueller
Patented Case
View Patent ↗
Granted: Mar 6, 2001
Filed: Feb 23, 1998
Inventor
Horst Mueller
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.