Inventor
GRAHAM RICHARD B
4 patents
Patents
4 patentsUS4272952AJun 16, 1981
Plastic chain and tubular link pin
DRESSER IND51 citations88
US4144174AMar 13, 1979
Traveling siphon sludge collector
DRESSER IND17 citations69
US5031964AJul 16, 1991
Cutting chain for mining machines
DRESSER IND9 citations67
US4186831AFeb 5, 1980
Connector for catenary conveyor belt idler rolls
DRESSER IND6 citations58