DS

Derek W. Spence

WL Wool Development International Limited: 1 patents #6 of 19Top 35%
Overall (All Time): #2,334,871 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4721234 Crease setting apparatus 1988-01-26
4451380 Waste disposal 1984-05-29