Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6654998 | Method of installing plates on blade of plow or grader | Brian J. Berdan, Brian Peterson | 2003-12-02 |
| 6241227 | Cutting edge handler for plows and graders | Brian J. Berdan, Brian Peterson | 2001-06-05 |