Pocket Watch Database
Patent Archive
#420890
Patent Information
Clock Alarm Electric
Charles Adams Randall
February 4, 1890
Patent #420890
| Patent Number: | 420890 |
| Description: | Clock Alarm Electric |
| Inventor(s): | Charles Adams Randall |
| Patent Date: | Feb 4, 1890 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
