Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6423394 | Plastics material mesh structures | Frank B. Mercer, Keith F. Martin, Stuart Green | 2002-07-23 |
| 6019550 | Modular block retaining wall construction | Michael J. Dobie | 2000-02-01 |
| 5651853 | Mesh structure/fabric laminate | Brian Orr | 1997-07-29 |
| 5612081 | Applying grit particles to a continuous web | Brian Orr | 1997-03-18 |