Pocket Watch Database
Patent Archive
#20810
Patent Information
Clock Illuminate Alarm & Burglar Alarm
John Mathewman
July 6, 1858
Patent #20810
| Patent Number: | 20810 |
| Description: | Clock Illuminate Alarm & Burglar Alarm |
| Inventor(s): | John Mathewman |
| Patent Date: | Jul 6, 1858 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
