Patented December 25, 1894
If an object in your hands says PAT. DECEMBER 25, 1894, it may be one of these.
| Patent | Title | Inventor | Of |
|---|---|---|---|
| US 531,413 | MECHANISM FOR ACTUATING KEYBOARDS BY MEANS OF PERFORATED CARDS | Claude Gavioli | Paris |
The Talking Machine Patent Archive
Patents you could hear
If an object in your hands says PAT. DECEMBER 25, 1894, it may be one of these.
| Patent | Title | Inventor | Of |
|---|---|---|---|
| US 531,413 | MECHANISM FOR ACTUATING KEYBOARDS BY MEANS OF PERFORATED CARDS | Claude Gavioli | Paris |