Pocket Watch Database
Patent Archive
#1991839
Patent Information
Timepiece Electric
Maurice Philippe Favre-bulle
February 19, 1935
Patent #1991839
| Patent Number: | 1991839 |
| Description: | Timepiece Electric |
| Inventor(s): | Maurice Philippe Favre-bulle |
| Patent Date: | Feb 19, 1935 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
