P

Inventor

MANDEL FREDERICK S

US16 patents
⚠️ This page may combine multiple inventors who share the name “MANDEL FREDERICK S”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

FERRO CORP

8 patents

NALCO CHEMICAL CO

3 patents

WORMALD US INC

3 patents

FREEPORT MCMORAN RESOURCE

1 patent

AGRICO CHEM CO

1 patent