Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6176638 | Chemically bonded anchor systems | Leo Jasien | 2001-01-23 |
| 4954009 | Road barrier systems and methods | — | 1990-09-04 |
| 4875808 | Seismic anchor | — | 1989-10-24 |
| 4869467 | Internally supported retaining element and method of using | — | 1989-09-26 |
| 4642964 | Grout in place fastener system | — | 1987-02-17 |
| 4586846 | Method and apparatus for rebar avoidance | — | 1986-05-06 |