Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6073973 | Lightweight positive lock coupling | Ronald A. Rossway, David E. Jewell, Eric Hazelwood | 2000-06-13 |
| 6050609 | Positive lock coupling | Ronald A. Rossway, David E. Jewell | 2000-04-18 |
| 5871239 | Positive lock coupling | Ronald A. Rossway, David E. Jewell | 1999-02-16 |