Granted Patent
Utility
US 6,593,845 · App. 09/407,919
Active RF tag with wake-up circuit to prolong battery life
Inventors:
Daniel J. Friedman, Thomas Anthony Cofino, Trieu C. Chieu
Patented Case
View Patent ↗
Granted: Jul 15, 2003
Filed: Sep 29, 1999
Inventors
Daniel J. Friedman
Thomas Anthony Cofino
Trieu C. Chieu
Assignee (at issue)
Intermac IP Corp.
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.