Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4390336 | Apparatus for air laid fiberglass mat | — | 1983-06-28 |
| 4242404 | High-strength glass fiber mat particularly useful for roofing products | Alfredo A. Bondoc, V. Robert Canfield | 1980-12-30 |
| 4233353 | High-strength built-up roofing using improved glass fiber mats | Alfredo A. Bondoc, V. Robert Canfield | 1980-11-11 |
| 4200487 | Economical method of making high-strength glass fiber mats particularly useful for roofing products | Alfredo A. Bondoc, V. Robert Canfield | 1980-04-29 |