CF

Coy M. Fielder

CH Christensen: 2 patents #1 of 7Top 15%
📍 West Valley City, UT: #1 of 8 inventorsTop 15%
🗺 Utah: #8 of 283 inventorsTop 3%
Overall (1982): #15,398 of 81,411Top 20%
2
Patents 1982

Issued Patents 1982

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4351401 Earth-boring drill bits — 1982-09-28
4336850 Internal fluid screen to prevent nozzle and port plugging — 1982-06-29