Marvin R. Hackett — 1 Patent at Fmc

Marvin R. Hackett has been granted 1 US patent while listed as an inventor at Fmc. All of these patents were granted in 2000. Marvin R. Hackett ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Marvin R. Hackett in Tracy, CA, US.

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Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
6110415	Device for opening furnace tap holes	Raymond L. Hickman, Gerald J. Madden	2000-08-29	$9,275,000

Marvin R. Hackett — 1 Patent

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