P

Inventor

PETERSON ELMER R

US26 patents
⚠️ This page may combine multiple inventors who share the name “PETERSON ELMER R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BAKER HUGHES INC

12 patents

BAKER OIL TOOLS INC

4 patents

O'MALLEY EDWARD J

3 patents

GARCIA LUIS A

2 patents

PETERSON ELMER R

2 patents

BAKER INT CORP

1 patent

ATLANTIC RICHFIELD CO

1 patent

HUGHES TOOL CO

1 patent