DD

Douglas D. Dawn

PE Pennwalt: 1 patents #119 of 288Top 45%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #3,903,173 of 4,157,543Top 95%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4926650 Refrigerant fluid and method of use Reinhard Radermacher 1990-05-22