03/12/1896 Batchelor, Charles -- Legal Statements and Testimony
(Kruesi, John; Edison, Thomas Alva) Patent infringement; Research and development; Cylinder phonograph
[QP001]  Litigation Series -- Phonograph Cases: American Graphophone Company v. U.S. Phonograph Company et al.
[QP001585; TAEM 116:366]
Courtesy of Thomas Edison National Historical Park.