EH

Erkki V. E. Hirvonen

RO Rauma-Repola Oy: 1 patents #10 of 40Top 25%
📍 Kerava, FI: #38 of 107 inventorsTop 40%
Overall (All Time): #2,320,537 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5074813 Method and arrangement on a vessel Antti K. H. Jarvi, Juha A. Heikinheimo 1991-12-24
4973275 Method and arrangement on a vessel Antti K. H. Jarvi, Juha A. Heikinheimo 1990-11-27