Granted Patent
Utility
US 5,680,459 · App. 08/430,825
Passive transponder
Inventors:
Christopher Hook, Keith Juson, Chris Hall, Donald Harold Ferguson, Dimitrie Octavian Paun, Alexandru Oprea
Patented Case
View Patent ↗
Granted: Oct 21, 1997
Filed: Apr 28, 1995
Inventors
Christopher Hook
Keith Juson
Chris Hall
Donald Harold Ferguson
Dimitrie Octavian Paun
Alexandru Oprea
Assignee (at issue)
Kasten Chase Applied Research Limited
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.