Pocket Watch Database
Patent Archive
#443363
Patent Information
Timepiece Escape Balance
William Peter Hansen
December 23, 1890
Patent #443363
| Patent Number: | 443363 |
| Description: | Timepiece Escape Balance |
| Inventor(s): | William Peter Hansen |
| Patent Date: | Dec 23, 1890 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
