Pocket Watch Database
Patent Archive
#283429
Patent Information
Clock Alarm
Algernon D. Smith
August 21, 1883
Patent #283429
| Patent Number: | 283429 |
| Description: | Clock Alarm |
| Inventor(s): | Algernon D. Smith |
| Patent Date: | Aug 21, 1883 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
