Inventor

LEFORT GUY

US2 patents

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

CHEN SHILIN

1 patent

US10214966B2Feb 26, 2019

Rotary drill bits with back-up cutting elements to optimize bit life

CHEN SHILIN0 citations46

ANDERLE SETH G

1 patent

US9677341B2Jun 13, 2017

Drill bit with extended life seal

ANDERLE SETH G0 citations39