JB

John C. Bothwell

📍 Calgary, CA: #2,769 of 5,407 inventorsTop 55%
Overall (All Time): #3,917,888 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4979781 Bench mining method and apparatus Glen H. Doyle 1990-12-25