Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6906132 | Low formaldehyde emission coatings and binders from formaldehyde-based resins | Kenneth G. Caldwell | 2005-06-14 |
| 6869680 | Stain resistant acoustical panels | Alejandrino Vazquez, Kenneth G. Caldwell | 2005-03-22 |
| 6547868 | Scratch resistant discontinuous acoustical surface coating | Kenneth G. Caldwell | 2003-04-15 |
| 5949518 | Color-neutral UV blocking coating for plastic lens | Peter Wallace Coldrey, Lani Sherwood, Sundar Ram | 1999-09-07 |
| 5173368 | Solution-applied antireflective coatings | — | 1992-12-22 |
| 5104692 | Two-layer antireflective coating applied in solution | — | 1992-04-14 |
| 4954591 | Abrasion resistant radiation curable coating for polycarbonate article | — | 1990-09-04 |