03-28-2015, 07:15 PM
Mershon had most of the patents (not all) but Amrad was the licensed manufacturer. That division was sold to Magnavox in Ft. Wayne. Presumably Magnavox licensed Sprague.
I'm not aware that Fessenden had anything to do with electric lamps after leaving Edison's employ in the 1880s.
I'm not aware that Fessenden had anything to do with electric lamps after leaving Edison's employ in the 1880s.