Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6743313 | Methods and apparatus for recycling asphalt shingle material into landscaping, ground cover and erosion control products | — | 2004-06-01 |
| 6711851 | Modular green roof system, apparatus and methods, including modular panels with complimentary edge systems | — | 2004-03-30 |
| 6692669 | Methods and apparatus for recycling asphalt shingle material into composite board products | — | 2004-02-17 |