Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8746349 | Drilling riser adapter connection with subsea functionality | Eric Dale Larson | 2014-06-10 |
| 8388255 | Dog-type lockout and position indicator assembly | Eric Dale Larson, John V. Leba | 2013-03-05 |