Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8876438 | Process for casting concrete wall blocks for use with geogrid | — | 2014-11-04 |
| 7544014 | Retaining wall anchor system | — | 2009-06-09 |
| 6006412 | Method for preparing an orthotic appliance | David Parker, Tom Y. Sawyer, Jr. | 1999-12-28 |
| 5687467 | Method for preparing an orthotic appliance | David Parker, Tom Y. Sawyer, Jr. | 1997-11-18 |