Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4824290 | Method of constructing a rigid structure upon the bottom of a water as well as lost casing for performing said method | — | 1989-04-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4824290 | Method of constructing a rigid structure upon the bottom of a water as well as lost casing for performing said method | — | 1989-04-25 |