William A. Ruff — 1 Patent at Chevron

William A. Ruff has been granted 1 US patent while listed as an inventor at Chevron. All of these patents were granted in 1990. William A. Ruff ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list William A. Ruff in Beaumont, TX, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
4900713	Stabilizing spent hydrotreating catalyst for reprocessing or storage	Fred D. Brent Jr., Richard Gene Nelson	1990-02-13	$17,105,000

William A. Ruff — 1 Patent

Issued Patents All Time

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