Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6427404 | Base sheet for retrofitting existing roofing | — | 2002-08-06 |
| 6108993 | Roof having improved base sheet | — | 2000-08-29 |
| 5884446 | Roof having improved base sheet | — | 1999-03-23 |
| 5861701 | Charged-particle powered battery | Robert D. Young, Glenn M. Light, Stephen W. Seale, Jr. | 1999-01-19 |
| 4925494 | Flame retardant asphalt coating | — | 1990-05-15 |
| 4837095 | In situ roofing composite and method utilizing wider polyester | — | 1989-06-06 |
| 4599258 | In situ roofing composite and method | — | 1986-07-08 |
| 4521478 | In situ roofing composite and method | — | 1985-06-04 |