Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5038529 | Roof support structure | John L. Conley, Thomas Conley, Howard L. Davis | 1991-08-13 |
| 4676034 | Roof structure | John L. Conley, Thomas Conley, Howard L. Davis | 1987-06-30 |