P

Inventor

VAN NIEUWKOOP PIETER

NL6 patents
⚠️ This page may combine multiple inventors who share the name “VAN NIEUWKOOP PIETER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KRIESELS PETRUS CORNELIS

3 patents

VAN NIEUWKOOP PIETER

2 patents

SHELL OIL CO

1 patent