Portable LED lighting devices, namely handheld flashlights, Date of First Use Anywhere At least as early as December 2007 Date of First Use in Commerce At least as early as December 2007 Portable LED lighting devices, namely headlamps, Date of First Use Anywhere At least as early as March 2012 Date of First Use in Commerce At least as early as March 2012 Portable LED lighting devices, namely angle lights, Date of First Use Anywhere At least as early as January 2016 Date of First Use in Commerce At least as early as January 2016 Portable LED lighting devices, namely area lights and work lights, Date of First Use Anywhere At least as early as October 2016 Date of First Use in Commerce At least as early as October 2016 Portable LED lighting devices, namely lanterns, Date of First Use Anywhere At least as early as July 2017 Date of First Use in Commerce At least as early as July 2017 Portable LED lighting devices, namely lights for weapons in the nature of lights for firearms. Date of First Use Anywhere At least as early as June 2017 Date of First Use in Commerce At least as early as June 2017