42 Research, Development, Evaluation, Market and Economic Studies, Consultation, Design, Engineering and Technical Services for Others in Connection with Petroleum Refining and Petrochemical Processes
Trademark Events
Jul 19, 2003
Cancelled Sec. 8 (10-Yr)/Expired Section 9
Aug 30, 1988
Registered - Sec. 8 (6-Yr) Accepted & Sec. 15 Ack.