Pocket Watch Database
Patent Archive
#643506
Patent Information
Clock Electric
Henry Iversen
February 13, 1900
Patent #643506
| Patent Number: | 643506 |
| Description: | Clock Electric |
| Inventor(s): | Henry Iversen |
| Patent Date: | Feb 13, 1900 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
