Granted Patent
Utility
US 4,751,721 · App. 07/013,323
Apparatus and method for testing contact interruptions of circuit interconnection devices
Inventor:
Daniel Wissell
Patented Case
View Patent ↗
Granted: Jun 14, 1988
Filed: Feb 11, 1987
Inventor
Daniel Wissell
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.