DD

David S. Duncan

WL Wilkinson Sword Limited: 5 patents #8 of 52Top 20%
FI Fiskars: 2 patents #19 of 46Top 45%
Overall (All Time): #767,122 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
D342652 Garden pruner Stephen Wensley, Alan S. Merrick 1993-12-28
D336222 Garden pruner Stephen Wensley, Alan S. Merrick 1993-06-08
4860449 Razor blade assembly 1989-08-29
4852254 Razor blade assembly and its method of manufacture 1989-08-01
4690018 Razor blade assembly and its method of manufacture 1987-09-01
4654968 Knife sharpeners Derrick R. Gatley 1987-04-07
4501067 Razors and shaving units for razors 1985-02-26