Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4589275 | Pipe coating | Samuel Thomas, Robert L. Hayes | 1986-05-20 |
| 4523141 | Pipe coating | Samuel Thomas, Robert L. Hayes | 1985-06-11 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4589275 | Pipe coating | Samuel Thomas, Robert L. Hayes | 1986-05-20 |
| 4523141 | Pipe coating | Samuel Thomas, Robert L. Hayes | 1985-06-11 |