Pocket Watch Database
Patent Archive
#422616
Patent Information
Watch Balance Device Test
William D. Olney
March 4, 1890
Patent #422616
| Manufacturer: | Waltham |
| Patent Number: | 422616 |
| Description: | Watch Balance Device Test |
| Inventor(s): | William D. Olney |
| Assignee: | American Waltham Watch Co |
| Patent Date: | Mar 4, 1890 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
