P

Inventor

CHANG BIAU-HUNG

US24 patents
⚠️ This page may combine multiple inventors who share the name “CHANG BIAU-HUNG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

QUANTUM CHEM CORP

9 patents

ASHLAND OIL INC

8 patents

NAT DISTILLERS CHEM CORP

4 patents

CROMPTON CORP

2 patents

CHANG BIAU-HUNG

1 patent