Derek Barlow — 3 Patents at U.S. Philips

Derek Barlow — 3 Patents

U.S. Philips: 2 patents #2,558 of 8,851Top 30%

PLPye (Electronic Products) Limited: 1 patents #6 of 23Top 30%

Cambridge, GB: #1,506 of 4,587 inventorsTop 35%

Overall (All Time): #1,328,092 of 4,157,543Top 35%

Derek Barlow has been granted 3 US patents while listed as an inventor at U.S. Philips. The first was granted in 1981 and the most recent in December 1990. Derek Barlow ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Derek Barlow in Cambridge, GB.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
4980059	Liquid chromatograph	Andrew C. Cleland	1990-12-25
4307960	Spectrophotometer	Charles V. Perkins	1981-12-29	$400,000
4299485	Spectrophotometer	Charles V. Perkins	1981-11-10

Derek Barlow — 3 Patents

Issued Patents All Time

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