Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4634622 | Lightweight asphalt based building materials and process for making same | Stanley C. Suhaka, Rick Lee Dolin, Allan R. LaRoche, Robert E. Hodgson, Neil R. Such +3 more | 1987-01-06 |
| 4347155 | Energy efficient perlite expansion process | — | 1982-08-31 |