EM

Edward A. Madej

RI Robroy Industries: 4 patents #2 of 19Top 15%
Overall (All Time): #1,308,230 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4427219 Compression coupling — 1984-01-24
4417711 Pipe hanger — 1983-11-29
4397437 Beam clamp — 1983-08-09
4262409 Cable connector — 1981-04-21