Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4550936 | Marine riser coupling assembly | John A. Haeber, John K. Rains, Brad D. Beitler | 1985-11-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4550936 | Marine riser coupling assembly | John A. Haeber, John K. Rains, Brad D. Beitler | 1985-11-05 |