Pocket Watch Database
Patent Archive
#1747547
Patent Information
Clock Automatic Regulate Electro Magnetic Wv
Oskar Junghans
February 18, 1930
Patent #1747547
| Patent Number: | 1747547 |
| Description: | Clock Automatic Regulate Electro Magnetic Wv |
| Inventor(s): | Oskar Junghans |
| Patent Date: | Feb 18, 1930 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
