Granted Patent
Utility
US 6,519,581 · App. 09/844,858
Collection of information regarding a device or a user of a device across a communication link
Inventors:
William D. Hofmann, John C. Hurley
Patented Case
View Patent ↗
Granted: Feb 11, 2003
Filed: Apr 27, 2001
Inventors
William D. Hofmann
John C. Hurley
Assignee (at issue)
Alset Corporation
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.