Pocket Watch Database
Patent Archive
#311540
Patent Information
Clock Alarm
William D. Smith
February 3, 1885
Patent #311540
| Patent Number: | 311540 |
| Description: | Clock Alarm |
| Inventor(s): | William D. Smith |
| Patent Date: | Feb 3, 1885 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
