Inventor

VAN DER MEULEN DOUGLAS J

3 patents

Patents

3 patents

US4109343AAug 29, 1978

Trolley wheel assembly

FROST & SON C L34 citations89

US4265133AMay 5, 1981

Drive disc-pulley assembly

FROST & SON C L24 citations79

US3961406AJun 8, 1976

Method of pulley construction

FROST & SON C L13 citations71