Granted Patent
Utility
US 5,207,318 · App. 07/737,201
Plunger switch
Inventors:
Leonard A. Roland, David Tso-Chin Ko, Michael T. Long
Patented Case
View Patent ↗
Granted: May 4, 1993
Filed: Jul 29, 1991
Inventors
Leonard A. Roland
David Tso-Chin Ko
Michael T. Long
Assignee (at issue)
Dynatech Microwave Technology, 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.