Marvin E. Yost — 2 Patents at Conoco

Marvin E. Yost — 2 Patents

COConoco: 2 patents #177 of 638Top 30%

EAE.I. Du Pont De Nemours And: 1 patents #9,494 of 12,129Top 80%

Ponca City, OK: #201 of 444 inventorsTop 50%

Oklahoma: #4,543 of 12,736 inventorsTop 40%

Overall (All Time): #1,709,992 of 4,157,543Top 45%

Marvin E. Yost has been granted 2 US patents while listed as an inventor at Conoco. The first was granted in 1985 and the most recent in January 1991. Marvin E. Yost ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Marvin E. Yost in Ponca City, OK, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
4986354	Composition and placement process for oil field chemicals	Lisa A. Cantu	1991-01-22	$6,502,000
4527626	Process and apparatus for removing dissolved oxygen	Lisa A. Cantu, Robert L. Coffee, James E. Stolhand	1985-07-09

Marvin E. Yost — 2 Patents

Issued Patents All Time

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