Granted Patent
Utility
US 6,754,621 · App. 09/684,309
Asynchronous hypertext messaging system and method
Inventors:
Andrew Cunningham, Craig Hellon
Patented Case
View Patent ↗
Granted: Jun 22, 2004
Filed: Oct 6, 2000
Inventors
Andrew Cunningham
Craig Hellon
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.