Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6712897 | Pre-blend composition, and method of making joint compound using same | Amba Ayambem, Richard E. Smith | 2004-03-30 |
| 4930287 | Distortion-free vinyl siding | Joseph Volk, Sr. | 1990-06-05 |
| 4843783 | Casing trim | — | 1989-07-04 |
| 4843790 | Casing trim | — | 1989-07-04 |
| 4429214 | Electrical heating panel | Robert J. Brindley, Robert Dean | 1984-01-31 |