Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5248220 | Protective liner system having improved leak detection means | — | 1993-09-28 |
| 4811535 | Double-walled special refuse dump receptacle | — | 1989-03-14 |
| 4595435 | Method for producing lining panels which are cast into concrete as an integral lining | — | 1986-06-17 |
| 4508581 | Method for producing lining panels which are cast into concrete as an integral lining | — | 1985-04-02 |