Granted Patent
Utility
US 5,073,781 · App. 07/648,099
Transponder
Inventor:
Karl Stickelbrocks
Patented Case
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Granted: Dec 17, 1991
Filed: Jan 31, 1991
Inventor
Karl Stickelbrocks
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.