RESEARCH, EVALUATION, MARKET AND ECONOMIC STUDIES, CONSULTATION, DESIGN, ENGINEERING AND TECHNICAL SERVICES FOR OTHERS IN CONNECTION WITH A PROCESS FOR CONVERTING SULFIDES
Trademark Events
Feb 26, 1996
Expired Sec. 9
Oct 27, 1980
Registered - Sec. 8 (6-Yr) Accepted & Sec. 15 Ack.