26 ELECTRONIC AND MAGNETIC APPARATUS OPERATING WITH ULTRA SOUND FOR THE NON-DESTRUCTIVE INSPECTION OF PIPES ESPECIALLY METAL PIPES TO DETECT FAULTY MATERIAL, MANUFACTURING OR OTHER DEDECTS
Trademark Events
Jan 16, 1995
Expired Sec. 9
Jan 7, 1980
Registered - Sec. 8 (6-Yr) Accepted & Sec. 15 Ack.