Richard E. Dardis — 1 Patent at Olin

Richard E. Dardis has been granted 1 US patent while listed as an inventor at Olin. All of these patents were granted in 1985. Richard E. Dardis ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Richard E. Dardis in Brevard, NC, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
4509597	Soda-anthraquinone lignin sacrificial agents in oil recovery	—	1985-04-09	$3,625,000

Richard E. Dardis — 1 Patent

Issued Patents All Time

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