Granted Patent
Utility
US 6,170,748 · App. 09/159,554
Object identification system employing pulsed magnetic field-stimulated, tag-embedded transponder
Inventors:
Ronald J. Hash, Donald K. Belcher, Robert W. Boyd
Patented Case
View Patent ↗
Granted: Jan 9, 2001
Filed: Sep 24, 1998
Inventors
Ronald J. Hash
Donald K. Belcher
Robert W. Boyd
Assignee (at issue)
Widata Corporation
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.