Granted Patent
Utility
US 6,236,315 · App. 09/421,867
Method and apparatus for improving the interrogation range of an RF tag
Inventors:
Howard David Helms, Alex Pidwerbetsky
Patented Case
View Patent ↗
Granted: May 22, 2001
Filed: Oct 19, 1999
Inventors
Howard David Helms
Alex Pidwerbetsky
Assignee (at issue)
LUCENT TECHNOLOGIES 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.