Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5373027 | Dry expansible sealant and baffle composition and product | John L. Hanley, IV | 1994-12-13 |
| 5266133 | Dry expansible sealant and baffle composition and product | John L. Hanley, IV | 1993-11-30 |