Granted Patent
Utility
US 5,772,511 · App. 08/647,400
Method for the conduct of lotteries
Inventor:
Walter M. Smeltzer
Patented Case
View Patent ↗
Granted: Jun 30, 1998
Filed: May 8, 1996
Inventor
Walter M. Smeltzer
Assignee (at issue)
Webcraft Games, 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.