NR

Norman Wayne Ritchie

BH Baker Hughes Holdings: 1 patents #62 of 247Top 30%
📍 Tulsa, OK: #24 of 135 inventorsTop 20%
🗺 Oklahoma: #176 of 787 inventorsTop 25%
Overall (2004): #144,717 of 270,089Top 55%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6700762 Filter-switched drive operating mode control Michael C. Underwood, Ryan Bridwell Ashbaugh 2004-03-02