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Keith M. Roussel — 4 Patents

COConoco: 4 patents #81 of 638Top 15%

Ponca City, OK: #111 of 444 inventorsTop 25%

Oklahoma: #2,661 of 12,736 inventorsTop 25%

Overall (All Time): #1,080,739 of 4,157,543Top 30%

4 Patents All Time

Keith M. Roussel has been granted 4 US patents while listed as an inventor at Conoco. The first was granted in 1990 and the most recent in October 1991. Keith M. Roussel ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Keith M. Roussel in Ponca City, OK, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
5059301	Process for the preparation of recarburizer coke	John K. Shigley	1991-10-22
5028311	Delayed coking process	John K. Shigley, Steve Harris	1991-07-02
4998709	Method of making graphite electrode nipple	Robert R. Griffin, Ta-Wei Fu	1991-03-12
4959139	Binder pitch and method of preparation	Dave L. Blakeburn, II, Ta-Wei Fu	1990-09-25

Keith M. Roussel — 4 Patents

Issued Patents All Time

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