Pocket Watch Database
Patent Archive
#2092216
Patent Information
Clock Work Balance Spring Arrange
Helmut Junghans
September 7, 1937
Patent #2092216
| Patent Number: | 2092216 |
| Description: | Clock Work Balance Spring Arrange |
| Inventor(s): | Helmut Junghans |
| Patent Date: | Sep 7, 1937 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
