IP Library Granted Patent US 5,997,401
Granted Patent Utility
US 5,997,401 · App. 08/735,908

Slot machine with symbol save feature

Inventor: Curtis J. Crawford
Patented Case View Patent ↗
Granted: Dec 7, 1999 Filed: Oct 25, 1996
Inventor
Curtis J. Crawford
Assignee (at issue)
Sigma Game, Inc.

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Quick Facts
Patent No.
US 5,997,401
App. No.
08/735,908
Filed
1996-10-25
Granted
1999-12-07
Kind
A