JA

John J. Allen

KC Knorr Brake Company: 2 patents #1 of 3Top 35%
3M: 1 patents #266 of 952Top 30%
📍 Mendota Heights, MN: #2 of 17 inventorsTop 15%
🗺 Minnesota: #100 of 2,841 inventorsTop 4%
Overall (1994): #12,116 of 165,921Top 8%
3
Patents 1994

Issued Patents 1994

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5369587 Computer controlled railway brake equipment Kevin B. Root, Ronald O. Newton 1994-11-29
5346459 Trocar 1994-09-13
5303157 Single handle locomotive controller Kevin B. Root, Ronald O. Newton 1994-04-12