Granted Patent
Utility
US 4,754,274 · App. 06/802,403
Microprocessor interface device for use in a telecommunications system
Inventor:
Richard P. A. Iles
Patented Case
View Patent ↗
Granted: Jun 28, 1988
Filed: Nov 27, 1985
Inventor
Richard P. A. Iles
Assignee (at issue)
Plessey Overseas Limited
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.