Granted Patent
Utility
US 6,223,225 · App. 08/978,840
Dynamically adjustable hybrid two-way data networks
Inventors:
Chatschik Bisdikian, Kiyoshi Maruyama
Patented Case
View Patent ↗
Granted: Apr 24, 2001
Filed: Nov 26, 1997
Inventors
Chatschik Bisdikian
Kiyoshi Maruyama
Assignee (at issue)
International Business Machines Corporation
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.