EH

Elard L. Haden

CO Conoco: 1 patents #310 of 638Top 50%
Overall (All Time): #4,035,533 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4452325 Composite structure for cutting tools Frederick J. Radd 1984-06-05