Inventor
GREANIAS ANTHONY C
US3 patents
Patents
3 patentsUS4862945ASep 5, 1989
Vacuum countergravity casting apparatus and method with backflow valve
GEN MOTORS CORP17 citations70
US5088546AFeb 18, 1992
Vacuum-assisted counter gravity casting apparatus with valve to prevent flow of melt from mold
GEN MOTORS CORP8 citations69
US4809767AMar 7, 1989
Countergravity casting apparatus
GEN MOTORS CORP4 citations60