Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9216923 | Metal and graphite mold and method of making a crucible | Katsuhiko Kemmochi, Carl Hagstrom | 2015-12-22 |
| 6336635 | Method of playing a blackjack card game | — | 2002-01-08 |