Granted Patent
Utility
US 5,926,317 · App. 08/743,734
Multilayer thin film dielectric bandpass filter
Inventor:
David Henry Cushing
Patented Case
View Patent ↗
Granted: Jul 20, 1999
Filed: Nov 6, 1996
Inventor
David Henry Cushing
Assignee (at issue)
JDS Fitel 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.