Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4453844 | Monolithic water-permeable concrete roadway and related large area structures with integral drainage elements | — | 1984-06-12 |
| 4376595 | Monolithic water-permeable concrete roadway and related large area structures with integral drainage elements | — | 1983-03-15 |
| 4333765 | Sandless concrete | — | 1982-06-08 |
| 4280395 | Hydraulic brake booster | — | 1981-07-28 |