DH

Dougal Lamont Harcourt

Overall (All Time): #2,164,369 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6988441 Rotary engine Robert James Selby, William Lewis White 2006-01-24
6705202 Rotary engine Robert James Selby, William Lewis White 2004-03-16