DD

Douglas F. DeVries

BP Bird Products: 1 patents #1 of 5Top 20%
📍 Kenmore, WA: #2 of 2 inventorsTop 100%
🗺 Washington: #611 of 2,427 inventorsTop 30%
Overall (1997): #158,634 of 185,788Top 90%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5694926 Portable drag compressor powered mechanical ventilator Michael J. Cegielski, Warner V. Graves, Jr., Malcolm Williams, Michael Holmes 1997-12-09