P

Inventor

METZLER ROGER D

US9 patents
⚠️ This page may combine multiple inventors who share the name “METZLER ROGER D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BAKER HUGHES INC

6 patents

STARK JOSEPH L

1 patent

BAKER HUGHES

1 patent

METZLER ROGER D

1 patent