JJ

John T. Armstrong, Jr.

Caterpillar: 1 patents #30 of 176Top 20%
📍 Chillicothe, IL: #2 of 11 inventorsTop 20%
🗺 Illinois: #566 of 2,749 inventorsTop 25%
Overall (1982): #54,038 of 81,411Top 70%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4331917 Speed and direction sensing circuit Michael L. Render 1982-05-25