DD

David Duerden

TC Thomas Swan & Co.: 1 patents #1 of 3Top 35%
📍 Morpeth, GB: #1 of 3 inventorsTop 35%
Overall (1989): #123,424 of 140,708Top 90%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4799453 Apparatus for the solidification of liquid films James H. Nobbs, Peter K. T. Oldring 1989-01-24