Inventor

HOLM LEONARD R

US2 patents

Patents

2 patents

US5221541AJun 22, 1993

Extruder head for elastomeric material

BRIDGESTONE FIRESTONE INC26 citations85

US5219589AJun 15, 1993

Vented kneading pin for extruder

BRIDGESTONE FIRESTONE INC6 citations58