Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6638169 | Gaming machines with directed sound | Richard L. Wilder, Harold E. Mattice, Chauncey W. Griswold | 2003-10-28 |
| 6530842 | Electronic gaming machine with enclosed seating unit | Chauncey W. Griswold, Richard L. Wilder, Harold E. Mattice | 2003-03-11 |
| 6517437 | Casino gaming apparatus with multiple display | Joseph E. Kaminkow | 2003-02-11 |