John Graham Dunkley — 5 Patents at Millipore

John Graham Dunkley has been granted 5 US patents while listed as an inventor at Millipore. The first was granted in 2006 and the most recent in October 2010. John Graham Dunkley ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list John Graham Dunkley in Gloucester, GB.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
7807054	Chromatography columns	Neil Frazer, Melvyn Gill	2010-10-05
7578934	Chromatographic column seal	Melvyn Gill, Neil Frazer, Geoff Purdom	2009-08-25	$8,992,000
7534346	Chromatography columns	Neil Frazer, Melvyn Gill	2009-05-19	$26,723,000
7041216	Chromatography column	Neil Frazer, Melvyn Gill	2006-05-09	$20,255,000
6984318	Chromatographic column seal	Melvyn Gill, Neil Frazer, Geoff Purdom	2006-01-10	$19,120,000

John Graham Dunkley — 5 Patents

Issued Patents All Time

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