Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6260502 | Semi-submersible vessel | Owen Kratz, Stanley Groedecke Kellogg | 2001-07-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6260502 | Semi-submersible vessel | Owen Kratz, Stanley Groedecke Kellogg | 2001-07-17 |