John Lansdown

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McKinney, TX, US

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Patents Applicationslast 30 patents

Information Patent Application
METHOD AND SYSTEM FOR PORTABLE BREATHING DEVICES
- Publication number 20100252034
- Publication date Oct 7, 2010
- Julian T. Ross
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Application
METHOD AND APPARATUS FOR PORTABLE SELF CONTAINED RE-BREATHING DEVICES
- Publication number 20070215159
- Publication date Sep 20, 2007
- Julian T. Ross
- A62 - LIFE-SAVING FIRE-FIGHTING