P

Inventor

PERRUT MICHEL

FR15 patents
⚠️ This page may combine multiple inventors who share the name “PERRUT MICHEL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SEPAREX SA

4 patents

ELF AQUITAINE

3 patents

ROQUETTE FRERES

2 patents

PRONOVA A S

1 patent

NORSK HYDRO AS

1 patent

(unassigned)

1 patent

INST FRANCAIS DU PETROLE & SEP

1 patent

ELF UNION

1 patent

PERRUT MICHEL

1 patent