RD

Roland Duval

TT The Timken: 2 patents #62 of 291Top 25%
Overall (All Time): #2,247,946 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5887984 Bearing assembly with spring-biased seals 1999-03-30
5711616 Bearing seal for providing static and dynamic barriers Roland Gassmann, Graham Frederick Sturman 1998-01-27