Granted Patent
Utility
US 6,233,577 · App. 09/024,928
Centralized certificate management system for two-way interactive communication devices in data networks
Inventors:
Seetharaman Ramasubramani, Peter F. King
Patented Case
View Patent ↗
Granted: May 15, 2001
Filed: Feb 17, 1998
Inventors
Seetharaman Ramasubramani
Peter F. King
Assignee (at issue)
Phone.com, LLC
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.