Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6811022 | Log transport system | David E. Seffens, Michael C. Ballard, David R. Shald, David C. Seffens | 2004-11-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6811022 | Log transport system | David E. Seffens, Michael C. Ballard, David R. Shald, David C. Seffens | 2004-11-02 |