Patented May 9, 1899
If an object in your hands says PAT. MAY 9, 1899, it may be one of these.
| Patent | Title | Inventor | Of |
|---|---|---|---|
| US 624,625 | SOUND RECORDING AND REPRODUCING MACHINE | Alfred Corning Clark and Eldridge R. Johnson | New York (Clark); Camden, New York (Clark); New Jersey (Johnson) |