DJ

Dan C. Preston, Jr.

BT Baker Oil Tools: 2 patents #28 of 87Top 35%
BI Baker International: 1 patents #41 of 111Top 40%
📍 Whittier, CA: #140 of 578 inventorsTop 25%
🗺 California: #149,087 of 386,348 inventorsTop 40%
Overall (All Time): #1,676,831 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4709758 High temperature packer for well conduits 1987-12-01
4433726 Energized packer anchor seal assembly Yung J. Kim 1984-02-28
4307781 Constantly energized no-load tension packer Kenneth C. Reiter 1981-12-29