P

Inventor

ZENZ FREDERICK A

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

DUCON CO

5 patents

HYDROCARBON RESEARCH INC

2 patents

SNAM PROGETTI

1 patent

GEN ELECTRIC

1 patent

RAMLER JEFFREY J

1 patent

MARQUESS AND NELL INC

1 patent

ZENZ FREDERICK A

1 patent

VELOCYS INC

1 patent