Granted Patent
Utility
US 5,357,229 · App. 08/145,976
Method for tuning a microstrip device using a plastic dielectric substance
Inventor:
Robert H. Benton
Patented Case
View Patent ↗
Granted: Oct 18, 1994
Filed: Nov 1, 1993
Inventor
Robert H. Benton
Assignee (at issue)
Pacific Monolithics, 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.