Granted Patent
Utility
US 4,646,342 · App. 06/774,783
Test trunk access controller
Inventors:
Franklin Hargrave, David A. Zeller, Jr., Mark G. Smith, William L. Hull, Francisco A. Middleton
Patented Case
View Patent ↗
Granted: Feb 24, 1987
Filed: Sep 11, 1985
Inventors
Franklin Hargrave
David A. Zeller, Jr.
Mark G. Smith
William L. Hull
Francisco A. Middleton
Assignee (at issue)
ITT 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.