DR

Donald William Ruhmann

TB The Boeing: 1 patents #8,242 of 15,756Top 55%
Overall (All Time): #2,712,948 of 4,157,543Top 70%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10934021 Shape memory alloy spacer system James H. Mabe, Frederick T. Calkins, Stephen Keith Kirchmeier, Edward A. Whalen 2021-03-02