Patented July 31, 1888
If an object in your hands says PAT. JULY 31, 1888, it may be one of these.
| Patent | Title | Inventor | Of |
|---|---|---|---|
| US 386,974 | PHONOGRAPH. | Thomas A. Edison | Llewellyn Park, New Jersey |
The Talking Machine Patent Archive
Patents you could hear
If an object in your hands says PAT. JULY 31, 1888, it may be one of these.
| Patent | Title | Inventor | Of |
|---|---|---|---|
| US 386,974 | PHONOGRAPH. | Thomas A. Edison | Llewellyn Park, New Jersey |