Pocket Watch Database
Patent Archive
#391885
Patent Information
Clock Spring Clamp Barrel
Charles E. Emery
October 30, 1888
Patent #391885
| Patent Number: | 391885 |
| Description: | Clock Spring Clamp Barrel |
| Inventor(s): | Charles E. Emery |
| Patent Date: | Oct 30, 1888 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
