Pocket Watch Database
Patent Archive
#106372
Patent Information
Watch Device For Wind Main Spring
Michael D. Kelly
August 16, 1870
Patent #106372
| Patent Number: | 106372 |
| Description: | Watch Device For Wind Main Spring |
| Inventor(s): | Michael D. Kelly |
| Patent Date: | Aug 16, 1870 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
