DH

David A. C. Harper

📍 Almondsbury, GB: #2 of 4 inventorsTop 50%
Overall (All Time): #2,366,610 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4331175 Mounting of pressure vessels Arthur L. Brake 1982-05-25
4235267 Valved couplings Arthur L. Brake 1980-11-25