Inventor

ARNESSON JOEL C E

US3 patents

Patents

3 patents

US4486941ADec 11, 1984

Punch press with automatic tool changer

WHITNEY CORP W33 citations89

US4423546AJan 3, 1984

Punch press with automatic tool changer

WHITNEY CORP W37 citations89

US4860428AAug 29, 1989

Lifting hand for a punch press tool changer

WHITNEY CORP W18 citations71