Granted Patent
Utility
US 6,091,801 · App. 09/018,607
Emulator for a telephone system
Inventor:
Kenneth J. Gulik
Patented Case
View Patent ↗
Granted: Jul 18, 2000
Filed: Feb 5, 1998
Inventor
Kenneth J. Gulik
Assignee (at issue)
Rockwell Semiconductor Systems, Inc.
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.