DV

Douglas F. De Vries

BS Bear Medical Systems: 1 patents #11 of 23Top 50%
📍 Redlands, CA: #141 of 280 inventorsTop 55%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #4,061,391 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4417573 Patient adaptor for medical ventilator — 1983-11-29