Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4413583 | Plastic lifeboats | by Hanny M. Elling, executrix | 1983-11-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4413583 | Plastic lifeboats | by Hanny M. Elling, executrix | 1983-11-08 |