11 REFRIGERATION SYSTEMS HAVING A SCREW COMPRESSOR AND FOR USE IN CONNECTION WITH FOOD AND CHEMICAL INDUSTRIES, AND INDUSTRIAL AND COMMERCIAL AIR CONDITIONING SYSTEMS
Trademark Events
Jan 13, 1997
Expired Sec. 9
Aug 31, 1981
Registered - Sec. 8 (6-Yr) Accepted & Sec. 15 Ack.