Granted Patent
Utility
US 4,764,701 · App. 06/947,655
Multichannel surface acoustic wave encoder/decoder
Inventors:
Michael J. Garbacz, Kai Hansen
Patented Case
View Patent ↗
Granted: Aug 16, 1988
Filed: Dec 30, 1986
Inventors
Michael J. Garbacz
Kai Hansen
Assignee (at issue)
Zenith Electronics LLC
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.