Robert R. Griffin — 1 Patent at Conoco

Robert R. Griffin has been granted 1 US patent while listed as an inventor at Conoco. All of these patents were granted in 1991. Robert R. Griffin ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Robert R. Griffin in Ponca City, OK, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4998709	Method of making graphite electrode nipple	Keith M. Roussel, Ta-Wei Fu	1991-03-12

Robert R. Griffin — 1 Patent

Issued Patents All Time

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