Pocket Watch Database
Patent Archive
#436205
Patent Information
Machine Watch Demagnetize
Charles F. Berlin
September 9, 1890
Patent #436205
| Patent Number: | 436205 |
| Description: | Machine Watch Demagnetize |
| Inventor(s): | Charles F. Berlin |
| Assignee: | Smith Alfred C |
| Patent Date: | Sep 9, 1890 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
