Two Men From Kingsport Have Teamed Up To Design A Product That Stops Device Fires On Airplanes. George Brilmyer And Tony Coffman Partnered Up In 2010 To Create A Containment Box For Small Electronic Fires And Make A Battery For Hybrid Cards. The Battery Is Still A Work In Progress. The Device Known As The Planegard Is An Insulated Box Designed To Contain Heat, Flames, Smoke And Toxic Vapors That Are Released During An Electronic Device Fire. For More Information, Visit Planegard.Com