Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886156 | Log conveyor system | Ralph E. Luchterhand, John Detroit | 1989-12-12 |
| 4867213 | System for orienting logs for lumber processing | William E. Bolton, John C. Holbert, Jeffrey D. Ballance | 1989-09-19 |