DK

Donald W. Kern

📍 San Luis Obispo, CA: #132 of 530 inventorsTop 25%
🗺 California: #149,087 of 386,348 inventorsTop 40%
Overall (All Time): #1,663,766 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4995123 Ozone dispersion system 1991-02-26
4966717 Ozone injection system and method 1990-10-30
4640783 Ozone injection method and apparatus 1987-02-03