Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4662940 | Sealant composition and leak detector for automobile cooling systems and the like | — | 1987-05-05 |
| 4348235 | Stop-leak composition for automobile cooling systems and the like | Tull C. Lasswell | 1982-09-07 |