Sigurdur Ingvason

📍 Perry, OK: #35 of 85 inventorsTop 45%

🗺 Oklahoma: #3,359 of 12,736 inventorsTop 30%

Overall (All Time): #1,670,219 of 4,157,543Top 45%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
4815995	Ships propulsion	—	1989-03-28
4658746	Seagoing vessel having a bulb	—	1987-04-21
4550673	Hull construction for seagoing vessels	—	1985-11-05