Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5275655 | Cementitious composition with nonadherent surface | William Wright Hamilton | 1994-01-04 |
| 5269845 | Calcium aluminate composition and process for making same | William Wright Hamilton | 1993-12-14 |
| 4885880 | Corrosion inhibiting secondary barrier system for underground storage tanks | David A. Sudrabin | 1989-12-12 |