HC

Howard Matthew Colquhoun

NP North West Water Group Plc: 1 patents #2 of 9Top 25%
UP United Utilities Plc: 1 patents #1 of 2Top 50%
Overall (1997): #37,808 of 185,788Top 25%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5698105 Polymer porous structure and process Peter J. Williams, Andrew Lennard Lewis 1997-12-16
5693740 Aromatic polysulphones David F. Lewis 1997-12-02