Pocket Watch Database
Patent Archive
#1256872
Patent Information
Clock Four Hundred Day
Jacob J. Busenbenz
February 19, 1918
Patent #1256872
| Patent Number: | 1256872 |
| Description: | Clock Four Hundred Day |
| Inventor(s): | Jacob J. Busenbenz |
| Assignee: | Differential Clock Co |
| Patent Date: | Feb 19, 1918 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
