Pocket Watch Database
Patent Archive
#657731
Patent Information
Clock Graphophone
John F. Eldred
September 11, 1900
Patent #657731
| Patent Number: | 657731 |
| Description: | Clock Graphophone |
| Inventor(s): | John F. Eldred |
| Patent Date: | Sep 11, 1900 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
