RL

Robert S. Lund

PE Pettibone: 2 patents #1 of 22Top 5%
Overall (All Time): #1,674,902 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4643240 Method of blowing cores etc. using quick-set sand, and improved mold-blowing apparatus 1987-02-17
4570694 Mold-blowing apparatus 1986-02-18
4460032 Method and apparatus for blowing cores etc. using a plunger-cleaned blow box suitable for quick-set sand 1984-07-17