Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9861512 | Apparatus and method for the removal and containment of human waste excretion | — | 2018-01-09 |
| 8454568 | Apparatus and method for the removal and containment of human waste excretion | — | 2013-06-04 |
| 6719911 | Apparatus and method for the treatment of a contaminated fluid | — | 2004-04-13 |
| 4834136 | Pressure relief filter and valve and cryopump utilizing the same | James E. Cartwright | 1989-05-30 |
| 4697617 | Pressure relief filter and valve and cryopump utilizing the same | James E. Cartwright | 1987-10-06 |