D. E. Brown — 1 Patent at 3M | Patent Leaderboard

D. E. Brown has been granted 1 US patent while listed as an inventor at 3M. All of these patents were granted in 1989. D. E. Brown ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list D. E. Brown in Stansted, GB.

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Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
4820846	Triarylmethane compounds, their preparation and use as photoconductive systems	Kenneth Reynolds	1989-04-11	$4,458,000

D. E. Brown — 1 Patent

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