Patent Archive
#257511
Patent Information
Watch Regulator
Oliver Richard
May 9, 1882
Patent #257511
| Manufacturer: | |
| Patent Number: | 257511 |
| Category: | Regulators |
| Description: | Watch Regulator |
| Inventor(s): | Oliver Richard |
| Patent Date: | May 9, 1882 |
| Registration Type: | Patent |
| External Research: | https://www.google.com/patents... |
| Patent Document: |
