LE ROI COMPANY Trademarks
ECONOTROL
Filed: October 11, 1941
AUTOMATIC REGULATORS FOR CONTROLLING THE SPEED OF ENGINE DRIVEN COMPRESSORS OR PUMPS
Owned by: LE ROI COMPANY
Serial Number: 71447703
Image Trademark
Filed: June 3, 1944
INTERNAL COMBUSTION ENGINES, AIR OR GAS COMPRESSORS, AND PARTS THEREOF
Owned by: LE ROI COMPANY
Serial Number: 71470890
