Granted Patent
Utility
US 5,115,431 · App. 07/589,699
Method and apparatus for packet communications signaling
Inventors:
Charles S. Williams, Shrikanth S. Kattemalalavadi
Patented Case
View Patent ↗
Granted: May 19, 1992
Filed: Sep 28, 1990
Inventors
Charles S. Williams
Shrikanth S. Kattemalalavadi
Assignee (at issue)
Stratacom, 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.