Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4634154 | Lightweight integral pup joint with split female sub | William A. Gill, Charles L. Patrick | 1987-01-06 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4634154 | Lightweight integral pup joint with split female sub | William A. Gill, Charles L. Patrick | 1987-01-06 |