Pocket Watch Database
Patent Archive
#313300
Patent Information
Clock Alarm & Lamp Regulator
John M. Crawford
March 3, 1885
Patent #313300
| Patent Number: | 313300 |
| Description: | Clock Alarm & Lamp Regulator |
| Inventor(s): | John M. Crawford |
| Patent Date: | Mar 3, 1885 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
