Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6481471 | Spike roller for axial feeding or rotation of a log | Yvon Johnson | 2002-11-19 |
| 6453959 | Spike roller for axial feeding or rotation of a log | Yvon Johnson | 2002-09-24 |
| 5653274 | Debarker arms and debarker tips for mounting on log barking machines | Yvon Johnson | 1997-08-05 |
| 5421861 | Scrubbing method and apparatus incorporating progressively increased gas velocity | Wadie F. Gohara, Thomas W. Strock | 1995-06-06 |