TH

Thomas W. Hirtle

AS Ashlock: 2 patents #4 of 4Top 100%
📍 San Ramon, CA: #1,189 of 2,140 inventorsTop 60%
🗺 California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #2,315,988 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5074203 Coring apparatus Frederick J. Cimperman, Klaus Silbermann 1991-12-24
5009909 Coring method Frederick J. Cimperman, Klaus Silbermann 1991-04-23