Kishishita; Ryutaro
Patent Applications and Registrations
Patent applications and USPTO patent grants for Kishishita; Ryutaro.The latest application filed is for "tokenless slot machine system".
- Kishishita; Ryutaro - Yokohama Kanagawa JP
- Kishishita; Ryutaro - Naka-ku Yokohama JP
| Patent | Date |
|---|---|
| Tokenless slot machine system Grant 4,880,237 - Kishishita November 14, 1 | 1989-11-14 |
| Slot machine Grant 4,874,173 - Kishishita October 17, 1 | 1989-10-17 |
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