Pocket Watch Database
Patent Archive
#297520
Patent Information
Clock Automatic Wind Signal Spring
Edward Jungerman
April 22, 1884
Patent #297520
| Patent Number: | 297520 |
| Description: | Clock Automatic Wind Signal Spring |
| Inventor(s): | Edward Jungerman |
| Patent Date: | Apr 22, 1884 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
