Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4362434 | Permanent disposal vault for hazardous chemical waste materials | Richard E. Valiga | 1982-12-07 |
| 4352601 | Permanent bin for temporary storage of hazardous materials | Richard E. Valiga | 1982-10-05 |
| 4350461 | Multiple waste disposal vaults | Richard E. Valiga | 1982-09-21 |