Pocket Watch Database
Patent Archive
#443684
Patent Information
Escape Balance
Sigismund Riefler
December 30, 1890
Patent #443684
| Patent Number: | 443684 |
| Description: | Escape Balance |
| Inventor(s): | Sigismund Riefler |
| Patent Date: | Dec 30, 1890 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
