SH

Stephen Van Rensselaer Hellriegel

📍 Bainbridge Island, WA: #332 of 504 inventorsTop 70%
🗺 Washington: #48,111 of 76,902 inventorsTop 65%
Overall (All Time): #2,860,734 of 4,157,543Top 70%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10308335 Fin-based watercraft propulsion system Martin Spencer Garthwaite, Nathan Daniel Abell 2019-06-04