Pocket Watch Database
Patent Archive
#3390518
Patent Information
Clock Alarm
Emilio Negri
July 2, 1868
Patent #3390518
| Patent Number: | 3390518 |
| Description: | Clock Alarm |
| Inventor(s): | Emilio Negri |
| Patent Date: | Jul 2, 1868 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
