Granted Patent
Utility
US 6,827,281 · App. 10/323,827
Encoded SAW RFID tags and sensors for multi-user detection using IDT finger phase modulation
Inventors:
Peter J. Edmonson, Colin Campbell
Patented Case
View Patent ↗
Granted: Dec 7, 2004
Filed: Dec 20, 2002
Inventors
Peter J. Edmonson
Colin Campbell
Assignee (at issue)
P.J. Edmonson 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.