RS

Richard B. H. Sewell

H( Her Majesty The Queen In Right Of Canada (...): 1 patents #11 of 114Top 10%
HR Her Majesty The Queen In Right Of Canada As Represented By The Minister Of Natual Resources: 1 patents #251 of 906Top 30%
Overall (All Time): #2,357,374 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4440162 Soda lime half life indicator Lannie K. Yee, Robert W. Chappell 1984-04-03
4234637 Microporous protective coverings Derek J. Kidd 1980-11-18