JC

John Andrew Grant Clarke

UI US Dept of the Interior: 1 patents #132 of 508Top 30%
Overall (All Time): #1,469,769 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10333431 Nanopositioner 2019-06-25
6354384 Surface effect drilling craft for obtaining continuous core samples Wayne Newell, Donald Garrett Queen, Hubert Browning Firminger, Hugh Scott 2002-03-12
6129159 Vibratory drill head apparatus Hugh Scott 2000-10-10