Granted Patent
Utility
US 6,219,412 · App. 09/575,430
Choice of guaranteed vs. bumpable conference call reservations
Inventors:
Pierre D. Wellner, Stephen T. Dacek, Arthur A. Goikhman, Cary Torkelson
Patented Case
View Patent ↗
Granted: Apr 17, 2001
Filed: May 22, 2000
Inventors
Pierre D. Wellner
Stephen T. Dacek
Arthur A. Goikhman
Cary Torkelson
Assignee (at issue)
Spiderphone.com, 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.