Granted Patent
Utility
US 5,459,606 · App. 08/058,185
In-service upgrade for a telecommunication system
Inventors:
Lawrence Baranyai, Francis Butler, John C. Cox, Chi Hsuen Lin, Nattu V. Srinivasan
Patented Case
View Patent ↗
Granted: Oct 17, 1995
Filed: May 10, 1993
Inventors
Lawrence Baranyai
Francis Butler
John C. Cox
Chi Hsuen Lin
Nattu V. Srinivasan
Assignee (at issue)
AT & T IPM Corp.
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.