Inventor

LANGEVIN-BOUFFARD CHARLES

CA2 patents

Patents

2 patents

US11738219B2Aug 29, 2023

Respirator mask for CBRN or other protection

AIRBOSS ENG PRODUCTS INC2 citations66

US10363441B2Jul 30, 2019

Respirator mask for CBRN or other protection

AIRBOSS ENG PRODUCTS INC4 citations66