Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5102267 | Machine for paving a canal bottom | Thomas G. Bell, James N. Ferry, D. William Giroux, Conway P. Narby, Gary L. Patburg | 1992-04-07 |
| 5011338 | Canal trimming machine | D. William Giroux, James N. Ferry, Thomas G. Bell, Conway P. Narby, Gary L. Patburg | 1991-04-30 |