Granted Patent
Utility
US 5,959,531 · App. 09/122,121
Optical interface between receiver and tag response signal analyzer in RFID system for detecting low power resonant tags
Inventors:
William F. Gallagher, III, Russell E. Barber
Patented Case
View Patent ↗
Granted: Sep 28, 1999
Filed: Jul 24, 1998
Inventors
William F. Gallagher, III
Russell E. Barber
Assignee (at issue)
CHECKPOINT SYSTEMS, INC.
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.