DH

Duane A. Haven

GS Greyhawk Systems: 1 patents #2 of 4Top 50%
📍 Portland, OR: #65 of 245 inventorsTop 30%
🗺 Oregon: #204 of 1,007 inventorsTop 25%
Overall (1994): #140,180 of 165,921Top 85%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5374968 Optics for a single-lens video projector with color-specific polarization channels David W. Vollmer, Douglas H. Harrison 1994-12-20