JA

John W. Attridge

AN Applied Research Systems Ars Holding N.V.: 7 patents #3 of 219Top 2%
Overall (All Time): #304,943 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
12215263 Tracer composition Jerry Cross, Charles Whitfield 2025-02-04
6300142 Device and apparatus for conducting an assay David Andrewes, David Griffiths, John Phillip Vessey, John Anthony Odell, Felix Fernando +4 more 2001-10-09
D447713 Spectrophotometer Anthony Stevenson, Mark Cresswell, John L. Curtis, David Alan Percival, David Andrewes +3 more 2001-09-11
D443539 Sample holder for spectrophotometer Anthony Stevenson, Mark Cresswell, John L. Curtis, David Alan Percival, David Andrewes +3 more 2001-06-12
6027944 Capillary-fill biosensor device comprising a calibration zone Grenville Arthur Robinson, Julie Karen Deacon, Phelim Brinley Daniels, Colin Andrew Love, Aileen Margaret Thomson 2000-02-22
5994091 Optical sensor for enzyme and enzyme substrates Grenville Arthur Robinson 1999-11-30
5830766 Enhanced signal-to-noise ratio and sensitivity optical immunoassay Ian A. Shanks 1998-11-03
5726064 Method of assay having calibration within the assay Grenville Arthur Robinson, Julie Karen Deacon, Phelim Brinley Daniels, Colin Andrew Love, Aileen Margaret Thomson 1998-03-10
5631170 Method for improving measurement precision in evanescent wave optical biosensor assays 1997-05-20
5478755 Long range surface plasma resonance immunoassay Ian A. Shanks 1995-12-26
5369717 Optical waveguide assay unit and method of improving assay sensitivity using same 1994-11-29
5344784 Fluorescent assay and sensor therefor 1994-09-06
5192502 Devices for use in chemical test procedures Alan M. Smith 1993-03-09
5186897 Multianalyte test vehicle Stephen W. Eason, Simon Degroot 1993-02-16
5166515 Method of optical analysis of a fluid including an optical waveguide 1992-11-24