Patents/Inventors

Wald Tian

Charlotte, NCUS1 patent

2 Patents

USD11072192025
Valve for a Face Mask, Respirator, or the Like
Honeywell Safety Products USA, Inc.
0 cites
USD11072202025
Valve for a Face Mask, Respirator, or the Like
Honeywell Safety Products USA, Inc.
0 cites