Granted Patent
Utility
US 5,670,920 · App. 08/426,885
Multi-track SAW filter with reflectors and reversed polarity IDT connections
Inventor:
David P. Morgan
Patented Case
View Patent ↗
Granted: Sep 23, 1997
Filed: Apr 24, 1995
Inventor
David P. Morgan
Assignee (at issue)
Advanced Saw Products
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.