Video Game Patent Database
Results for the query
Showing matches for "Tetris Holding LLC".
1 record found
| Figure | Patent No. | Title | Assignee | Issue Date | |
|---|---|---|---|---|---|
|
U.S. Pat. No. 8,313,370 U.S. Pat. App. No. 12/550,854 | VIDEO GAME SYSTEMS AND METHODS FOR PROVIDING SOFTWARE-BASED SKILL ADJUSTMENT MECHANISMS FOR VIDEO GAME SYSTEMS | Tetris Holding LLC | August 31, 2009 | Patent Details |
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