Patented July 22, 1879
If an object in your hands says PAT. JULY 22, 1879, it may be one of these.
| Patent | Title | Inventor | Of |
|---|---|---|---|
| US 217,798 | IMPROVEMENT IN MECHANICAL MUSICAL INSTRUMENTS. | George B. Kelly and Mason J. Matthews | Boston, Massachusetts |
The Talking Machine Patent Archive
Patents you could hear
If an object in your hands says PAT. JULY 22, 1879, it may be one of these.
| Patent | Title | Inventor | Of |
|---|---|---|---|
| US 217,798 | IMPROVEMENT IN MECHANICAL MUSICAL INSTRUMENTS. | George B. Kelly and Mason J. Matthews | Boston, Massachusetts |