JD

Jerzy Doerffer

PG Politechnika Gdanska: 3 patents #4 of 46Top 9%
📍 Kęty, PL: #1 of 3 inventorsTop 35%
Overall (All Time): #1,670,437 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4822311 Free fall submersible life saving device for offshore structures Lech Adam Rowiński, Andrzej Niepieklo, Jan Klopocki, Boguslaw Siwek 1989-04-18
4278040 Braking rudder device Jerzy Madey, Jan Kozlowski, Andrzej Niepiekto 1981-07-14
4237808 Stern braking device 1980-12-09