Granted Patent
Utility
US 5,621,411 · App. 08/667,297
Positioning with RF-ID transponders
Inventors:
Andreas Hagl, Horst Mollik, Kostantin Aslanidis
Patented Case
View Patent ↗
Granted: Apr 15, 1997
Filed: Jun 20, 1996
Inventors
Andreas Hagl
Horst Mollik
Kostantin Aslanidis
Assignee (at issue)
Texas Instruments Incorporated
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.