P

Inventor

KRIESELS PETRUS CORNELIS

NL25 patents
⚠️ This page may combine multiple inventors who share the name “KRIESELS PETRUS CORNELIS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KRIESELS PETRUS CORNELIS

12 patents

SHELL OIL CO

11 patents

VAN DEN STEEN LEON

1 patent

ELLIOTT DAVID ALLAN

1 patent