Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5080034 | Sea-pressured air pocket ship/barge design | Betty W. Bjork | 1992-01-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5080034 | Sea-pressured air pocket ship/barge design | Betty W. Bjork | 1992-01-14 |