RS

Roy L. Sparkman

RP Robertson Intellectual Properties: 3 patents #8 of 12Top 70%
📍 Parkland Lane, TX: #12 of 50 inventorsTop 25%
🗺 Texas: #40,946 of 125,132 inventorsTop 35%
Overall (All Time): #1,387,513 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11591872 Setting tool for downhole applications Michael C. Robertson, Douglas J. Streibich, Antony F. Grattan, Mark Lancaster 2023-02-28
10900309 Setting tool for downhole applications Michael C. Robertson, Douglas J. Streibich, Antony F. Grattan, Mark Lancaster 2021-01-26
10246961 Setting tool for downhole applications Michael C. Robertson, Douglas J. Streibich, Antony F. Grattan, Mark Lancaster 2019-04-02