7 STABILIZER SLEEVES FOR OIL WELL DRILLING AND THE LIKE, SLEEVES FOR PROTECTING THREADS, HYDROCYCLONES FOR SEPARATING SOLIDS AND LIQUIDS, HYDROCYCLONE CONES, AND HYDROCYCLONE HEADS
DIP
Trademark Events
Feb 19, 1996
Expired Sec. 9
Jun 28, 1982
Registered - Sec. 8 (6-Yr) Accepted & Sec. 15 Ack.