Inventor

NAIRN GREGORY S

US3 patents

Patents

3 patents

US5894889AApr 20, 1999

One trip milling system

SMITH INTERNATIONAL49 citations93

US5771972AJun 30, 1998

One trip milling system

SMITH INTERNATIONAL83 citations93

US5816324AOct 6, 1998

Whipstock accelerator ramp

SMITH INTERNATIONAL37 citations89