Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861466 | Pressure filter assembly with bleed valve | Richard A. Leoncavallo, Gregory R. Phillips | 1989-08-29 |
| 4858776 | Bottle closure assembly | — | 1989-08-22 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861466 | Pressure filter assembly with bleed valve | Richard A. Leoncavallo, Gregory R. Phillips | 1989-08-29 |
| 4858776 | Bottle closure assembly | — | 1989-08-22 |