Patent filed on August 11, 1879. Witnesses listed as Alex L. Hayes and A. H. Vinal. Patent heading says: "Emile Berliner of Boston, Massachusetts." Patent detailing Berliner's improvements to the design of the More
"Eldridge Johnson of Philadelphia, Pennsylvania, assignor to Victor Talking Machine Company, a corporation of New Jersey." Diagram and specifications detailing Eldridge Johnson's improvements to the Talking - Machine.
Patent filed on August 11, 1879. Witnesses listed as Alex L. Hayes and A. H. Vinal. Patent heading says: "Emile Berliner of Boston, Massachusetts." Patent detailing Berliner's improvements to the design of the More
"Eldridge Johnson of Philadelphia, Pennsylvania, assignor to Victor Talking Machine Company, a corporation of New Jersey." Diagram and specifications detailing Eldridge Johnson's improvements to the Talking - Machine.
Patent filed on August 11, 1879. Witnesses listed as Alex L. Hayes and A. H. Vinal. Patent heading says: "Emile Berliner of Boston, Massachusetts." Patent detailing Berliner's improvements to the design of the More
"Eldridge Johnson of Philadelphia, Pennsylvania, assignor to Victor Talking Machine Company, a corporation of New Jersey." Diagram and specifications detailing Eldridge Johnson's improvements to the Talking - Machine.
"Eldridge Johnson of Philadelphia, Pennsylvania, assignor to Victor Talking Machine Company, a corporation of New Jersey." Diagram and specifications detailing Eldridge Johnson's improvements to the Talking - Machine.
"Eldridge Johnson of Philadelphia, Pennsylvania, assignor to Victor Talking Machine Company, a corporation of New Jersey." Diagram and specifications detailing Eldridge Johnson's improvements to the Talking - Machine.
"Eldridge Johnson of Philadelphia, Pennsylvania, assignor to Victor Talking Machine Company, a corporation of New Jersey." Diagram and specifications detailing Eldridge Johnson's improvements to the Talking - Machine.
"Eldridge Johnson of Philadelphia, Pennsylvania, assignor to Victor Talking Machine Company, a corporation of New Jersey." Diagram and specifications detailing Eldridge Johnson's improvements to the Talking - Machine.