Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5090439 | Atmospheric compensating automatic air release valve | Vincent M. Sabalvaro, III | 1992-02-25 |
| 4834621 | Air throttling valve for submerged pump system | Keith Hall, Robert L. Esvang, Jr. | 1989-05-30 |
| 4666724 | Coffee brewing ring | — | 1987-05-19 |