JS

Jerald J. Seymer

PM Precision Metalsmiths: 1 patents #5 of 8Top 65%
Overall (All Time): #3,947,437 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4727929 Investment shell molding apparatus and method John H. Simmons 1988-03-01