RJ

Robert T. Sparkman, Jr.

📍 Victoria, TX: #58 of 145 inventorsTop 40%
🗺 Texas: #73,555 of 125,132 inventorsTop 60%
Overall (All Time): #3,956,515 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4761120 Well pumping unit and control system James R. Mayer 1988-08-02