Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5770267 | Method and apparatus for smoothing substrate surfaces | — | 1998-06-23 |
| 4479912 | Fiber board composition | — | 1984-10-30 |
| 4297817 | Earthen-covered structure and panel used therein | Orland E. Skibinski | 1981-11-03 |