Patent Archive
#493508
Patent Information
Watch Regulator
Matheson William M
March 14, 1893
Patent #493508
| Manufacturer: | US Watch Co (Waltham, Mass) |
| Patent Number: | 493508 |
| Category: | Regulators |
| Description: | Watch Regulator |
| Inventor(s): | Matheson William M |
| Patent Date: | Mar 14, 1893 |
| Registration Type: | Patent |
| External Research: | https://www.google.com/patents... |
| Patent Document: |
