Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887872 | Track adjuster flow control mechanism | William J. Spivey, Jr., Thomas E. Oertley | 1989-12-19 |
| 4270616 | Bulldozer blade mounting assembly | Royce D. Allen, Frederick L. Kokaly | 1981-06-02 |
| 4257621 | Vehicle hitch and drawbar assembly | Robert D. Roley | 1981-03-24 |