Alfred Dolge

…patent was later acquired by Alfred Dolge (1848–1922), a New York City piano-equipment manufacturer. Dolge distributed the instrument throughout the United States through door-to-door and mail-order sales. However, the instrument known by musicians as the autoharp (and distributed by Dolge) is identical to Gütter’s original Akkordzither; Zimmerman’s patented autoharp was…