Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6199433 | Gasket adhesion test grip tool | Claude W. Duvall, Ralph Liguori, Ronald Walsh | 2001-03-13 |
| 6151757 | Lockable hinge assembly | James LaGrotta, Richard T. LaGrotta, Ronald Walsh | 2000-11-28 |
| 6115897 | "Hollow D"" gasket roller" | Claude W. Duvall, Ralph Liguori, Ronald Walsh | 2000-09-12 |
| 6058748 | Security bracket | John A. Casolaro, Claude W. Duvall, Edgar Lopes | 2000-05-09 |