Mark Identification

DBOS

Serial Number

75515010

Filing Date

Jul 7, 1998

Registration Date

Jun 22, 1999

Trademark by

SMITH INTERNATIONAL INC.

Active Trademark

Classification Information

ANALYZING GEOLOGIC CONDITIONS, ROCK MECHANICS DATA AND DRILLING DATA FROM OFFSET WELLS PROVIDED BY OR FOR A CUSTOMER, AND SELECTING ROCK DRILLING BITS AND OPTIMIZED DRILLING PARAMETERS FOR A GIVEN CUSTOMER APPLICATION IN A WELL OR GROUP OF WELLS

Computer and Scientific