Hydratork Trademarks

HYDRATORK
POWER-OPERATED INDUSTRIAL LIFT TRUCKS,
Expired  ·  January 7, 1953  ·  71640441  · 
hydratork
HYDRATORK
OIL USED IN TORQUE CONVERTERS TO LUBRICATE THE SAME AND PRIMARILY TO TRANSMIT POWER
Expired  ·  April 6, 1951  ·  71612359  · 
hydratork