DM

Derek L. Macartney

JM Joy Manufacturing: 1 patents #39 of 116Top 35%
📍 Kitchener, CA: #803 of 1,348 inventorsTop 60%
Overall (All Time): #4,010,364 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4500228 Granular material pneumatic transport apparatus Robert C. McDonald 1985-02-19