Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867213 | System for orienting logs for lumber processing | William E. Bolton, Jeffrey D. Ballance, Robert A. Records | 1989-09-19 |
| 4811776 | Apparatus and method for centering logs | William E. Bolton | 1989-03-14 |