Daniel W. Marsh — 2 Patents at Amoco

Daniel W. Marsh has been granted 2 US patents while listed as an inventor at Amoco. The first was granted in 1988 and the most recent in April 1990. Daniel W. Marsh ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Daniel W. Marsh in Lisle, IL, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
4914230	Catalyst recovery method	Kenneth J. Abrams, Bruce B. Doll	1990-04-03	$14,857,000
4769489	Catalyst recovery method	Kenneth J. Abrams, Bruce B. Doll	1988-09-06	$11,828,000

Daniel W. Marsh — 2 Patents

Issued Patents All Time

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