P

Inventor

HILL FRANK

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

HUELS CHEMISCHE WERKE AG

7 patents

FOCKE & CO

3 patents

HENKEL KGAA

2 patents

ROEHM GMBH

1 patent

(unassigned)

1 patent

DEGUSSA

1 patent

LE GROUPEMENT D INTER

1 patent

LE GROUPEMENT D INTERET PUBLIC

1 patent