Pocket Watch Database
Patent Archive
#176740
Patent Information
Clock Electro Magnetic
William M. Davis
May 2, 1876
Patent #176740
| Patent Number: | 176740 |
| Description: | Clock Electro Magnetic |
| Inventor(s): | William M. Davis |
| Patent Date: | May 2, 1876 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
