YN

Yukihiro Nagagawa

Overall (All Time): #3,887,546 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5056832 Spacing ring for tubes in high temperature environment Alan L. Brittingham 1991-10-15