P

Inventor

MA CHANGBAO

US17 patents
⚠️ This page may combine multiple inventors who share the name “MA CHANGBAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

3M INNOVATIVE PROPERTIES COMPANY

9 patents

3M INNOVATIVE PROPERTIES CO

4 patents

CALIENT TECHNOLOGIES INC

2 patents

MA CHANGBAO

1 patent

VAN KEUREN EDWARD R

1 patent