Granted Patent
Utility
US 6,398,646 · App. 09/478,685
Method and system for storing preselected numbers for use in games of bingo
Inventors:
William Wei, Jeffery A. Dettloff, Ronald Austin, Richard G. Bean, Harrold J. Rappold, James L. Green
Patented Case
View Patent ↗
Granted: Jun 4, 2002
Filed: Jan 6, 2000
Inventors
William Wei
Jeffery A. Dettloff
Ronald Austin
Richard G. Bean
Harrold J. Rappold
James L. Green
Assignee (at issue)
Melange Computer Services, 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.