Granted Patent
Utility
US 5,909,492 · App. 08/878,396
Network sales system
Inventors:
Andrew C. Payne, Lawrence C. Stewart, David J. Mackie
Patented Case
View Patent ↗
Granted: Jun 1, 1999
Filed: Jun 18, 1997
Inventors
Andrew C. Payne
Lawrence C. Stewart
David J. Mackie
Assignee (at issue)
Open Market Partners, 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.