Pocket Watch Database
Patent Archive
#528678
Patent Information
Clock Electric Alarm
Donnell Michael M. Mc
November 6, 1894
Patent #528678
| Patent Number: | 528678 |
| Description: | Clock Electric Alarm |
| Inventor(s): | Donnell Michael M. Mc |
| Patent Date: | Nov 6, 1894 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
