JR

John E. Rowarth

HR Her Majesty The Queen In Right Of Canada As Represented By The Minister Of Natual Resources: 1 patents #251 of 906Top 30%
📍 Markham, CA: #922 of 1,673 inventorsTop 60%
Overall (All Time): #4,123,817 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4233780 Door seal John H. Royce, John Walker 1980-11-18