DK

Donald P. Keathley

UN Unknown: 1 patents #206 of 2,107Top 10%
📍 Middlefield, CT: #2 of 3 inventorsTop 70%
🗺 Connecticut: #596 of 2,266 inventorsTop 30%
Overall (1997): #158,224 of 185,788Top 90%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5619193 Surface material and condition sensing system John A. Doherty, Charles A. Kalbfleisch, William J. Collins 1997-04-08