Jack Havens — 1 Patent at Fmc | Patent Leaderboard

Jack Havens has been granted 1 US patent while listed as an inventor at Fmc. All of these patents were granted in 1998. Jack Havens ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Jack Havens in Houston, TX, US.

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Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
5762089	Hardface coating for seal surfaces in a gate valve	Sue F. Haeberle, Christi Hambrick, Manuel N. Maligas, Brian Swagerty, John C. Vicic	1998-06-09	$2,737,000

Jack Havens — 1 Patent

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