HS

Hector Filippus Alexander Van Drentham Susman

Overall (All Time): #2,061,758 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8893408 Underwater excavation apparatus Kenneth Roderick Stewart 2014-11-25
6430848 Underwater excavation apparatus Kenneth Roderick Stewart 2002-08-13