P

Inventor

ZHANG DONGXIAN

US4 patents
⚠️ This page may combine multiple inventors who share the name “ZHANG DONGXIAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SIGNCOMPLEX LTD

2 patents

LIPTON STUART A

1 patent

SANFORD BURNHAM MEDICAL RES IN

1 patent