FB

Forest G. Brown

SI Sigma-Tek: 2 patents #1 of 7Top 15%
Overall (All Time): #2,359,484 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4469473 Reciprocating piston apparatus 1984-09-04
D271976 Piston vacuum pump 1983-12-27