DZ

Douglas F. Zahn

Caterpillar: 1 patents #4,437 of 8,398Top 55%
📍 Brier, WA: #49 of 94 inventorsTop 55%
🗺 Washington: #35,300 of 76,902 inventorsTop 50%
Overall (All Time): #2,082,571 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8608239 Precipitation management system for mobile equipment Andrew Lawson 2013-12-17
6846085 Mitigating the effects of miniaturizing integrating spheres for fiber optic measurement Michael Minneman, Elwood J. Egerton 2005-01-25