DB

David E. Bowman

Caterpillar: 2 patents #2,982 of 8,398Top 40%
Overall (All Time): #2,260,906 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5759309 Thermal process for selectively hardening track chain links Kenneth R. Watts, Gary L. Biltgen, Charles F. Berndt 1998-06-02
4848013 Two pin fastening assembly with interconnecting and retaining means Mark S. Diekevers, William J. Renski 1989-07-18