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Elard L. Haden

COConoco: 1 patents #310 of 638Top 50%

Ponca City, OK: #283 of 444 inventorsTop 65%

Oklahoma: #6,781 of 12,736 inventorsTop 55%

Overall (All Time): #4,035,533 of 4,157,543Top 100%

1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4452325	Composite structure for cutting tools	Frederick J. Radd	1984-06-05