DH

Derek Hardy

BC British Hovercraft Corporation: 1 patents #8 of 8Top 100%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Cowes, CA: #1 of 3 inventorsTop 35%
Overall (All Time): #1,571,401 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7793421 Archway measuring device 2010-09-14
4736952 Golf training and practice device Carlton Taft 1988-04-12
4417637 Air cushion vehicle Michael W. Eldridge 1983-11-29