DD

David Duerden

TC Thomas Swan & Co.: 2 patents #8 of 36Top 25%
📍 Morpeth, GB: #14 of 40 inventorsTop 35%
Overall (All Time): #2,322,073 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4904876 Detection of ultraviolet radiation James H. Nobbs, Peter K. T. Oldring 1990-02-27
4799453 Apparatus for the solidification of liquid films James H. Nobbs, Peter K. T. Oldring 1989-01-24