Darryll G. Prince

📍 Norman, OK: #154 of 626 inventorsTop 25%

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

Overall (All Time): #1,680,963 of 4,157,543Top 45%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
4427025	Swing check valve	—	1984-01-24
4304255	Swing check valve	—	1981-12-08
4261383	Field convertible sump check valve	—	1981-04-14