Christian Wilhelm

2 Patents

• US122573902025

  Mask Adapter for Connecting Two Breathing Tubes of a Closed-circuit Respirator to a Breathing Mask

  DRÄGER SAFETY AG & Co. KGA

  0 cites
• US115836442023

  Spring Bridge for a Spring Bridge Breathing Bag Plate System of a Closed-circuit Respirator, Spring Bridge Breathing Bag Plate System as Well as Closed-circuit Respirator

  Dräger Safety AG & Co. Kgaa

  0 cites