Rolf Ziese

FH Fried.Krupp Gesellschaft Mit Beschraankter Haftung: 2 patents #4 of 25Top 20%

FK Fried Krupp: 1 patents #80 of 258Top 35%

📍 Bremen, DE: #197 of 1,098 inventorsTop 20%

Overall (All Time): #1,678,436 of 4,157,543Top 45%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
4611313	Method for acoustically surveying the surface contours of the bottom of a body of water	—	1986-09-09
4471473	Direction finding circuit arrangement	—	1984-09-11
4397008	Echo sounder with CRT display	—	1983-08-02