UNPRECEDENTED CONCEPTS

Wearable frame for self-contained breathing apparatus; frame for self-contained breathing apparatus; back frame for self-contained breathing apparatus; wearable frame for self-contained underwater breathing apparatus; frame for self-contained underwater breathing apparatus, back frame for self-contained underwater breathing apparatus; wearable back frame for a remote air system

Backpack frames; frames for backpacks; frames for use with a backpack; back frames for use with a backpack for carrying children