Mark Hoffman — 4 Patents at General Motors

Mark Hoffman has been granted 4 US patents while listed as an inventor at General Motors. The first was granted in 1981 and the most recent in August 2007. Mark Hoffman ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Mark Hoffman in Coldwater, MI, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
7253294	Isolation of lutein from alfalfa	David Baugh, Michael Ahern, David Walsh	2007-08-07
7109361	Isolation of lutein from alfalfa	David Baugh, Michael Ahern, David Walsh	2006-09-19
4727827	Fuel additive metering system	Paul D. Ryan	1988-03-01
4296718	Diesel engine shutdown control system	Edward D. Baugh	1981-10-27	$6,422,000

Mark Hoffman — 4 Patents

Issued Patents All Time

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