Inventor

DENTON ROBERT M

US3 patents

Patents

3 patents

US5589443ADec 31, 1996

Rock bit grease composition

SMITH INTERNATIONAL32 citations90

US5668092ASep 16, 1997

Rock bit grease composition

SMITH INTERNATIONAL23 citations87

US7121365B2Oct 17, 2006

Rock bit with grease composition utilizing polarized graphite

SMITH INTERNATIONAL15 citations81