Pocket Watch Database
Patent Archive
#301569
Patent Information
Clock Electro Magnetic
Augustus S. Crane
July 8, 1884
Patent #301569
| Patent Number: | 301569 |
| Description: | Clock Electro Magnetic |
| Inventor(s): | Augustus S. Crane |
| Patent Date: | Jul 8, 1884 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
