1 CHEMICAL COMPOSITION FOR USE IN CONNECTION WITH WELL DRILLING SUCH AS OIL, GAS AND NATURAL RESOURCE WELLS-NAMELY, AN ANTI-MICROBIAL ADDITIVE FOR THE WELL FLUID DURING DRILLING, COMPLETION OR WORKOVER
Trademark Events
Jul 3, 2000
Expired Sec. 9
May 2, 1985
Registered - Sec. 8 (6-Yr) Accepted & Sec. 15 Ack.