Inventor

GUZOWSKI STEVEN J

US2 patents

Patents

2 patents

US4907665AMar 13, 1990

Cast steel rock bit cutter cones having metallurgically bonded cutter inserts

SMITH INTERNATIONAL79 citations93

US4683781AAug 4, 1987

Cast steel rock bit cutter cones having metallurgically bonded cutter inserts, and process for making the same

SMITH INTERNATIONAL32 citations89