Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7909541 | Apparatus and method for improved grout containment in post-grouting applications | August H. Beck, III | 2011-03-22 |
| 6942429 | Post-stressed pile | August H. Beck, III | 2005-09-13 |
| 6869255 | Post-stressed pile | August H. Beck, III | 2005-03-22 |
| 6371698 | Post stressed pier | August H. Beck, III | 2002-04-16 |
| 6171507 | Combination above grade automatic method of stormwater separation and filtration | John Roy, David L. Earl, William L. Hamrick | 2001-01-09 |
| 6077423 | Combination above grade automatic stormwater separation filtration system and method of separation and filtration | John Roy, David L. Earl, William L. Hamrick | 2000-06-20 |