Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9010266 | Underwater-above water accommodation for residential purposes | Jacek Ireneusz Zdrojewski | 2015-04-21 |
| 4822311 | Free fall submersible life saving device for offshore structures | Jerzy Doerffer, Andrzej Niepieklo, Jan Klopocki, Boguslaw Siwek | 1989-04-18 |