John D. Hedengren — 1 Patent at ExxonMobil

John D. Hedengren has been granted 1 US patent while listed as an inventor at ExxonMobil. All of these patents were granted in 2016. John D. Hedengren ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list John D. Hedengren in Houston, TX, US.

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Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
9296833	Method for controlling bubble formation in polymerization reactors	Kevin W. Lawson, Lawrence C. Smith	2016-03-29	$153,659,000

John D. Hedengren — 1 Patent

Issued Patents All Time

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