John H. Caldwell — 1 Patent at Amoco

John H. Caldwell has been granted 1 US patent while listed as an inventor at Amoco. All of these patents were granted in 1991. John H. Caldwell ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list John H. Caldwell in Katy, TX, US.

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Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
5058079	Geophysical exploration using velocity picking from trial velocity function sorted time-coherency traces	James H. Wright, Richard C. Heiser	1991-10-15	$65,690,000

John H. Caldwell — 1 Patent

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