Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5690533 | Airfoil | David E. Barry | 1997-11-25 |
| 5624465 | Internally-carbonating cleaning composition and method of use | — | 1997-04-29 |
| 5593091 | Dual solution application system | — | 1997-01-14 |