Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D528223 | Retaining wall block | — | 2006-09-12 |
| 7048469 | Flexible grid and predominantly concrete mat employing same | — | 2006-05-23 |
| D514232 | Retaining wall block | — | 2006-01-31 |
| D510774 | Retaining wall block | — | 2005-10-18 |
| 6942421 | Manufacture of articulated, predominantly concrete mat | — | 2005-09-13 |
| 6863472 | Revetment useful to line stream bed and assembly of said revetments | — | 2005-03-08 |
| 6761509 | Concrete module for retaining wall and improved retaining wall | — | 2004-07-13 |
| 6692195 | Plantable noise abatement wall | — | 2004-02-17 |
| 6688810 | Revetment useful to line stream bed and assembly of said revetments | — | 2004-02-10 |
| 6612776 | Manufacture of articulated, predominantly concrete mat | — | 2003-09-02 |
| 6592292 | Flexible bolt and assembly of concrete revetments employing same | — | 2003-07-15 |
| 6558074 | Assembly of revetments with crush-absorbing ribs | — | 2003-05-06 |
| 5564865 | Concrete module for retaining wall and improved retaining wall | — | 1996-10-15 |
| D353680 | Retaining wall block | — | 1994-12-20 |
| 5108222 | Articulated, predominantly concrete mat | James F. Fish | 1992-04-28 |