CK

Carl Keller

📍 Danville, CA: #36 of 200 inventorsTop 20%
🗺 California: #14,923 of 67,890 inventorsTop 25%
Overall (2019): #186,793 of 560,194Top 35%
2
Patents 2019

Issued Patents 2019

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10472931 Method for removal of flexible liners from boreholes 2019-11-12
10337314 Shallow ground water characterization system using flexible borehole liners 2019-07-02