Granted Patent
Utility
US 5,680,106 · App. 08/549,288
Multibit tag with stepwise variable frequencies
Inventors:
Alejandro G. Schrott, Richard J. Gambino, Robert J. von Gutfeld
Patented Case
View Patent ↗
Granted: Oct 21, 1997
Filed: Oct 27, 1995
Inventors
Alejandro G. Schrott
Richard J. Gambino
Robert J. von Gutfeld
Assignee (at issue)
International Business Machines 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.