JM

John P. McDonnel

Caterpillar: 1 patents #4,437 of 8,398Top 55%
📍 De Witt, IA: #57 of 103 inventorsTop 60%
🗺 Iowa: #8,735 of 15,303 inventorsTop 60%
Overall (All Time): #4,133,324 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10393111 Pump with wear-resistant barrel and plunger having coating support Alan R. Stockner, Aaron Michael Brown, Sridhar Thangaswamy, Glenn B. Cox, John Jay Truhan, Jr. +1 more 2019-08-27