DC

David A. Carnahan

📍 Houston, TX: #210 of 924 inventorsTop 25%
🗺 Texas: #885 of 4,134 inventorsTop 25%
Overall (1989): #123,739 of 140,708Top 90%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4825948 Remotely variable multiple bore ram system and method — 1989-05-02