Granted Patent
Utility
US 4,882,728 · App. 07/035,505
Networking circuitry
Inventor:
Alexander Herman
Patented Case
View Patent ↗
Granted: Nov 21, 1989
Filed: Apr 7, 1987
Inventor
Alexander Herman
Assignee (at issue)
Codex Corporation
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.