Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6055693 | Railway short span trestle bridge | Bradley R. Lehr, Mark Victor Holland, Mark L. McCune | 2000-05-02 |
| 5556074 | High temperature valve | Fred R. O'Brien | 1996-09-17 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6055693 | Railway short span trestle bridge | Bradley R. Lehr, Mark Victor Holland, Mark L. McCune | 2000-05-02 |
| 5556074 | High temperature valve | Fred R. O'Brien | 1996-09-17 |