Granted Patent
Utility
US 4,818,893 · App. 07/183,319
High speed switching circuit
Inventor:
Robert Domnitz
Patented Case
View Patent ↗
Granted: Apr 4, 1989
Filed: Apr 6, 1988
Inventor
Robert Domnitz
Assignee (at issue)
Prime Computer, 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.