Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5462235 | Aggregate producing machine | Karl Taub | 1995-10-31 |
| 4981521 | Sprayable fireproofing composition | Robert J. Bettacchi, Dennis M. Hilton | 1991-01-01 |
| 4934596 | Slurry distributor | Dennis M. Hilton | 1990-06-19 |