Pocket Watch Database
Patent Archive
#494633
Patent Information
Regulator Clock Work
Joseph Exall Greenhill
April 4, 1893
Patent #494633
| Patent Number: | 494633 |
| Description: | Regulator Clock Work |
| Inventor(s): | Joseph Exall Greenhill |
| Assignee: | Gourand George Edward |
| Patent Date: | Apr 4, 1893 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
