Pocket Watch Database
Patent Archive
#427072
Patent Information
Watch Regulator
William Goldthwait
May 6, 1890
Patent #427072
| Patent Number: | 427072 |
| Category: | Regulators |
| Description: | Watch Regulator |
| Inventor(s): | William Goldthwait |
| Patent Date: | May 6, 1890 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
