Pocket Watch Database
Patent Archive
#1779707
Patent Information
Clock Four Hundred Day
Franklin W. Jarvis
October 28, 1930
Patent #1779707
| Patent Number: | 1779707 |
| Description: | Clock Four Hundred Day |
| Inventor(s): | Franklin W. Jarvis |
| Patent Date: | Oct 28, 1930 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
