Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5929383 | Rotationally unrestrained grounding coupling for external grounding of fittings | Gregory C. Marik, J. Lawrence Cole, James H. Whitehead | 1999-07-27 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5929383 | Rotationally unrestrained grounding coupling for external grounding of fittings | Gregory C. Marik, J. Lawrence Cole, James H. Whitehead | 1999-07-27 |