KF

Klaus D. Freysing

SI Sigmaform: 1 patents #2 of 9Top 25%
Overall (All Time): #3,969,552 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4647716 Article having heat expandable sealing member James K. Akiyama, Richard A. Young 1987-03-03