P

Inventor

SPIERTS LÉON MARIE FRANCOIS

NL2 patents
⚠️ This page may combine multiple inventors who share the name “SPIERTS LÉON MARIE FRANCOIS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SPIERTS LEON MARIE FRANCOIS

1 patent

VAN DE NIEUWELAAR ADRIANUS JOSEPHES

1 patent