Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7241209 | Orbiting polishing tool | Frank Wiltshire, Jack T. Matsumoto, Steve DelGrande | 2007-07-10 |
| 6309147 | Underwater remote drilling tool and methods | Jack T. Matsumoto, Benedict Kazirskis, Vernon Pence | 2001-10-30 |
| 5802126 | Underwater remote drilling tool and methods | Jack T. Matsumoto, Benedict Kazirskis, Vernon Pence | 1998-09-01 |
| 5687205 | Underwater remote drilling tool and methods | Jack T. Matsumoto, Benedict Kazirskis, Vernon Pence | 1997-11-11 |