IC 040. US 100 103 106. G & S: custom manufacture of drill bits and drilling equipment in the field of oil field well drilling. FIRST USE: 20080930. FIRST USE IN COMMERCE: 20080930
IC 042. US 100 101. G & S: design, development and engineering of drill bits and drilling equipment in the field of oil field well drilling. FIRST USE: 20080930. FIRST USE IN COMMERCE: 20080930
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