Pocket Watch Database
Patent Archive
#197696
Patent Information
Clock Key
F. L. Ellis
B. A. Lewis
December 11, 1877
Patent #197696
| Patent Number: | 197696 |
| Description: | Clock Key |
| Inventor(s): |
F. L. Ellis B. A. Lewis |
| Patent Date: | Dec 11, 1877 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
