Granted Patent
Utility
US 6,507,654 · App. 09/216,975
Line interface battery feed arrangements with PTC resistors
Inventors:
Martin R. Handforth, Donald S. McGinn, Gyula Jakab
Patented Case
View Patent ↗
Granted: Jan 14, 2003
Filed: Dec 21, 1998
Inventors
Martin R. Handforth
Donald S. McGinn
Gyula Jakab
Assignee (at issue)
Nortel Networks Limited
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.