Granted Patent
Utility
US 5,535,197 · App. 08/249,792
Shared buffer switching module
Inventor:
John M. Cotton
Patented Case
View Patent ↗
Granted: Jul 9, 1996
Filed: May 25, 1994
Inventor
John M. Cotton
Assignee (at issue)
IPC Information Systems, LLC
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.