Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7828498 | Connection mechanism for large scale retaining wall blocks | Daniel R. Sorheim | 2010-11-09 |
| 6336773 | Stabilizing element for mechanically stabilized earthen structure | Peter L. Anderson, Michael J. Cowell | 2002-01-08 |
| 6050748 | Stabilizing elements for mechanically stabilized earthen structure | Peter L. Anderson, Michael J. Cowell | 2000-04-18 |
| 5951209 | Earthen work with wire mesh facing | Peter L. Anderson, Michael J. Cowell | 1999-09-14 |
| 5947643 | Earthen work with wire mesh facing | Peter L. Anderson, Michael J. Cowell | 1999-09-07 |
| 5807030 | Stabilizing elements for mechanically stabilized earthen structure | Peter L. Anderson, Michael J. Cowell | 1998-09-15 |
| 5730559 | Earthen work with wire mesh facing | Peter L. Anderson, Michael J. Cowell | 1998-03-24 |
| 5707184 | Low elevation wall construction | Peter L. Anderson, Michael J. Cowell | 1998-01-13 |
| 5642968 | Modular block retaining wall construction and components | Peter L. Anderson, Michael J. Cowell | 1997-07-01 |
| 5624211 | Modular block retaining wall construction and components | Peter L. Anderson, Michael J. Cowell | 1997-04-29 |
| 5622455 | Earthen work with wire mesh facing | Peter L. Anderson, Michael J. Cowell | 1997-04-22 |
| 5586841 | Dual purpose modular block for construction of retaining walls | Peter L. Anderson, Michael J. Cowell | 1996-12-24 |
| 5577866 | Earthen work with wire mesh facing | Peter L. Anderson, Michael J. Cowell | 1996-11-26 |
| 5507599 | Modular block retaining wall construction and components | Peter L. Anderson, Michael J. Cowell | 1996-04-16 |
| 5494379 | Earthen work with wire mesh facing | Peter L. Anderson, Michael J. Cowell | 1996-02-27 |
| 5487623 | Modular block retaining wall construction and components | Peter L. Anderson, Michael J. Cowell | 1996-01-30 |
| 5474405 | Low elevation wall construction | Peter L. Anderson, Michael J. Cowell | 1995-12-12 |
| D362511 | Cap block | Peter L. Anderson, Michael J. Cowell | 1995-09-19 |
| D347070 | Facing block | Peter L. Anderson, Michael J. Cowell | 1994-05-17 |
| 5308195 | Coping construction for a retaining wall | — | 1994-05-03 |
| D345426 | Corner block | Peter L. Anderson, Michael J. Cowell | 1994-03-22 |