Granted Patent
Utility
US 5,430,447 · App. 08/110,454
Protection against manipulation of batteryless read/write transponders
Inventor:
Herbert Meier
Patented Case
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Granted: Jul 4, 1995
Filed: Aug 23, 1993
Inventor
Herbert Meier
Assignee (at issue)
TEXAS INSTRUMENTS DEUTSCHLAND GMBH
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.