Pocket Watch Database
Patent Archive
#163161
Patent Information
Watch Main Spring
John A. Dawson
May 11, 1875
Patent #163161
| Patent Number: | 163161 |
| Description: | Watch Main Spring |
| Inventor(s): | John A. Dawson |
| Assignee: | Jones Florentine A |
| Patent Date: | May 11, 1875 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
