DD

Douglas F. DeVries

📍 Kenmore, WA: #6 of 14 inventorsTop 45%
🗺 Washington: #1,140 of 3,868 inventorsTop 30%
Overall (2003): #235,265 of 273,478Top 90%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6526970 Portable drag compressor powered mechanical ventilator Michael J. Cegielski, Warner V. Graves, Jr., Malcolm Williams, Michael Holmes 2003-03-04