Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5492429 | Post installation | — | 1996-02-20 |
| 4505616 | Self-locking chock system for a jack-up rig unit | Andrew Grzelka, Lawrence M. Ruckdeschel | 1985-03-19 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5492429 | Post installation | — | 1996-02-20 |
| 4505616 | Self-locking chock system for a jack-up rig unit | Andrew Grzelka, Lawrence M. Ruckdeschel | 1985-03-19 |