Granted Patent
Utility
US 5,861,809 · App. 08/934,979
Deactivateable resonant circuit
Inventors:
Eric Eckstein, Lawrence Appalucci, Gary Mazoki
Patented Case
View Patent ↗
Granted: Jan 19, 1999
Filed: Sep 22, 1997
Inventors
Eric Eckstein
Lawrence Appalucci
Gary Mazoki
Assignee (at issue)
CHECKPOINT SYSTEMS, INC.
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.