Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6316249 | Composition, method and apparatus for safe disposal of oil contaminated filter media | James H. Cornwell | 2001-11-13 |
| 6121039 | Composition, method and apparatus for safe disposal of oil contaminated filter media | James H. Cornwell | 2000-09-19 |
| D422914 | Oil dispenser cap shaped as an oil filter | — | 2000-04-18 |
| 5958759 | Composition method and apparatus for safe disposal of oil contaminated filter media | James H. Cornwell | 1999-09-28 |
| 5854012 | Composition, method and apparatus for safe disposal of oil contaminated filter | James H. Cornwell | 1998-12-29 |
| 5817504 | Method and apparatus for accelerated decomposition of petroleum and petro-chemical based compounds within filter media | James H. Cornwell | 1998-10-06 |
| 5716517 | Filter assembly including a magnetized component | — | 1998-02-10 |