PB

Pieter W. W. Buchan

UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #1,610,167 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6564508 Method of treating a plant or crop 2003-05-20
5023012 Purification of water Leon Buchan 1991-06-11
4192763 Chlorine tablet and the preparation thereof 1980-03-11