Inventor

WIETECHA ROBERT L

US3 patents

Patents

3 patents

US4460200AJul 17, 1984

Hydraulic chuck with improved seal

AIR MO HYDRAULICS INC11 citations69

US4189162AFeb 19, 1980

Hydraulic chuck

AIR MO HYDRAULICS INC16 citations69

US4432569AFeb 21, 1984

Flexible hose chuck

AIR MO HYDRAULICS INC7 citations68