Granted Patent
Utility
US 6,604,089 · App. 09/475,408
Demand aggregation through online buying group
Inventors:
Tom Van Horn, Niklas Gustafsson, Dale A. Woodford
Patented Case
View Patent ↗
Granted: Aug 5, 2003
Filed: Dec 30, 1999
Inventors
Tom Van Horn
Niklas Gustafsson
Dale A. Woodford
Assignee (at issue)
Vulcan 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.