Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D696521 | Fabric | — | 2013-12-31 |
| 6399211 | Low-cost, user-friendly hardcoating solution, process and coating | — | 2002-06-04 |
| 6265029 | Low-cost, user-friendly hardcoating solution, process and coating | — | 2001-07-24 |
| 5296295 | Radiation-curable coating compositions that form transparent, abrasion-resistant tintable coatings | William C. Perkins | 1994-03-22 |
| 5221560 | Radiation-curable coating compositions that form transparent, abrasion resistant tintable coatings | William C. Perkins | 1993-06-22 |
| 5102695 | Highly tintable abrasion resistant coatings | Allen M. Guest, Martin W. Preus | 1992-04-07 |
| 5013608 | Highly tintable abrasion resistant coatings | Allen M. Guest, Martin W. Preus | 1991-05-07 |
| 4964755 | Manhole cover lock apparatus | Bert R. Moore | 1990-10-23 |