Inventor

HOLSTER JESSE L

US2 patents

Patents

2 patents

US5145017ASep 8, 1992

Kerf-cutting apparatus for increased drilling rates

EXXON PRODUCTION RESEARCH CO121 citations93

US4892159AJan 9, 1990

Kerf-cutting apparatus and method for improved drilling rates

EXXON PRODUCTION RESEARCH CO85 citations91