Pocket Watch Database
Patent Archive
#328769
Patent Information
Clock Electric
Frank R. Field
October 20, 1885
Patent #328769
| Patent Number: | 328769 |
| Description: | Clock Electric |
| Inventor(s): | Frank R. Field |
| Patent Date: | Oct 20, 1885 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
