Granted Patent
Utility
US 6,480,077 · App. 09/805,898
Surface acoustic wave filter device having a signal line connected by a wire to a floating electrode
Inventor:
Wataru Ohashi
Patented Case
View Patent ↗
Granted: Nov 12, 2002
Filed: Mar 15, 2001
Inventor
Wataru Ohashi
Assignee (at issue)
OKI ELECTRIC INDUSTRY CO., LTD.
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.