Granted Patent
Utility
US 6,081,591 · App. 08/840,866
Signaling network gateway device and method for use in a signaling network
Inventor:
Frederick Skoog
Patented Case
View Patent ↗
Granted: Jun 27, 2000
Filed: Apr 16, 1997
Inventor
Frederick Skoog
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.