Granted Patent
Utility
US 5,389,885 · App. 08/009,133
Expandable diaphragm test modules and connectors
Inventor:
Mark A. Swart
Patented Case
View Patent ↗
Granted: Feb 14, 1995
Filed: Jan 26, 1993
Inventor
Mark A. Swart
Assignee (at issue)
Everett Charles Technologies, Inc.
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.