Method for treating obstructive sleep apnea syndrome
Method of providing ambulatory oxygen
Mini diving system
Modular helmet-mask assembly
Modular respirators and a method of conversion thereof
Mouthpiece unit of diving respirator
Mouthpiece with orthodontic tooth grip for divers
Multi-phase headset for pilots
Multi-purpose jerkin
Multilayer protective gas mask
Multilayered hood with elastomeric neck seal
Multiple-effect respirator
One-way valve
Operationally adaptable chemical-biological mask
Oxygen accumulator for constant partial pressure semi-closed bre
Periphery view goggle and remote breathing assembly
Personal air filtration and control system
Personal containment system with sealed passthrough
Personal disposable emergency breathing system with dual air sup
Personal disposable emergency breathing system with radial flow