11 industrial heat exchangers of the shell and tube type, reboilers, coolers, steam condensers, and process condensers, used in the oil, chemical, and petroleum industry
Trademark Events
Feb 18, 2014
Notice Of Suit
May 7, 2005
Cancelled Sec. 8 (10-Yr)/Expired Section 9
Mar 7, 2000
Registered - Sec. 8 (6-Yr) Accepted & Sec. 15 Ack.