DJ

Daniel E. Johnson

SS Siderca S.A.I.C.: 1 patents #3 of 5Top 60%
📍 Double Oak, TX: #2 of 3 inventorsTop 70%
🗺 Texas: #1,050 of 8,731 inventorsTop 15%
Overall (2004): #68,513 of 270,089Top 30%
2
Patents 2004

Issued Patents 2004

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6811149 Fatigue and damage tolerant coil spring — 2004-11-02
6764108 Assembly of hollow torque transmitting sucker rods Hugo Ernst, José Villasante 2004-07-20