Granted Patent
Utility
US 5,442,644 · App. 08/084,108
System for sensing the state of interconnection points
Inventors:
Daniel L. Heflin, Gary V. Layton
Patented Case
View Patent ↗
Granted: Aug 15, 1995
Filed: Jul 1, 1993
Inventors
Daniel L. Heflin
Gary V. Layton
Assignee (at issue)
Unisys 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.