Granted Patent
Utility
US 4,670,855 · App. 06/788,944
Interchangeable interface circuit structure
Inventors:
A. Ronald Caprio, John P. Cyr, Bernard O. Geaghan, Paul C. Kotschenreuther, David J. Schanin, Ronald M. Salett
Patented Case
View Patent ↗
Granted: Jun 2, 1987
Filed: Oct 18, 1985
Inventors
A. Ronald Caprio
John P. Cyr
Bernard O. Geaghan
Paul C. Kotschenreuther
David J. Schanin
Ronald M. Salett
Assignee (at issue)
Digital Equipment 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.