DR

Downie S. Richardson

BT Baker Oil Tools: 1 patents #43 of 87Top 50%
TB The Boeing: 1 patents #440 of 1,309Top 35%
📍 Torrance, CA: #892 of 2,137 inventorsTop 45%
🗺 California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #2,251,128 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5927138 Method of forming a structural member from tubular material — 1999-07-27
4921045 Slip retention mechanism for subterranean well packer — 1990-05-01