Inventor

PARYS PAUL G

US2 patents

⚠️ This page may combine multiple inventors who share the name “PARYS PAUL G”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

EXXON PRODUCTION RESEARCH CO

1 patent

US5145017ASep 8, 1992

Kerf-cutting apparatus for increased drilling rates

EXXON PRODUCTION RESEARCH CO121 citations93

GEARHART MARVIN

1 patent

US5289889AMar 1, 1994

Roller cone core bit with spiral stabilizers

GEARHART MARVIN158 citations91