This Founder and Inventor Overcame Early Setbacks to Create a Successful Company (and a Temperature-Controlled Coffee Mug) Posted byJames McKinney June 30, 2021 Leave a comment on This Founder and Inventor Overcame Early Setbacks to Create a Successful Company (and a Temperature-Controlled Coffee Mug) Cold scrambled eggs actually became the catalyst for Ember’s first product, a temperature-controlled coffee mug.