Granted Patent
Utility
US 5,581,689 · App. 08/365,449
Multi link type self healing system for communication networks
Inventors:
Miroslaw M. Slominski, Hiroyuki Okazaki
Patented Case
View Patent ↗
Granted: Dec 3, 1996
Filed: Dec 28, 1994
Inventors
Miroslaw M. Slominski
Hiroyuki Okazaki
Assignee (at issue)
NEC 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.