RJ

Roy W. Johanson

LE Leco: 1 patents #49 of 94Top 55%
Overall (All Time): #4,104,790 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4184826 Closure and flash breaking apparatus for metallographic specimen molding device Ramsey G. Reed 1980-01-22