DC

David Yu Chang

Caterpillar: 1 patents #247 of 863Top 30%
📍 Edwards, IL: #2 of 3 inventorsTop 70%
🗺 Illinois: #2,633 of 7,998 inventorsTop 35%
Overall (2018): #448,108 of 503,207Top 90%
1
Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10072561 Piston Weidong Gong 2018-09-11