Granted Patent
Utility
US 5,225,799 · App. 07/977,306
Microwave filter fabrication method and filters therefrom
Inventors:
Laurice J. West, Joel J. Raymond
Patented Case
View Patent ↗
Granted: Jul 6, 1993
Filed: Nov 16, 1992
Inventors
Laurice J. West
Joel J. Raymond
Assignee (at issue)
CALIFORNIA AMPLIFIER, 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.