GD

Gary S. Duren

📍 St. Petersburg, FL: #354 of 1,383 inventorsTop 30%
🗺 Florida: #16,597 of 67,251 inventorsTop 25%
Overall (All Time): #1,635,896 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5971014 Vacuum breaker valve vent fitting clean-out device — 1999-10-26
RE35532 Air Admittance valve for resisting high internal pressure — 1997-06-17
5273068 Air admittance valve for resisting high internal pressure — 1993-12-28