WR

W. Howard Rapson

EL Erco Industries Limited: 3 patents #4 of 16Top 25%
📍 Scarborough, CA: #90 of 629 inventorsTop 15%
Overall (All Time): #1,065,793 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
4534952 Small scale generation of chlorine dioxide for water treatment Maurice C. J. Fredette 1985-08-13
4409066 Bleaching procedure using chlorine dioxide and chlorine solutions Douglas W. Reeve 1983-10-11
4325783 Bleaching procedure using chlorine dioxide and chlorine solutions Douglas W. Reeve 1982-04-20
4249990 Process for removal of potassium values from pulp mill liquors Allan Gilbert 1981-02-10
4188260 Low effluent pulp mill, bleach plant operation Gordon Rowlandson, Douglas W. Reeve 1980-02-12