Pocket Watch Database
Patent Archive
#3520127
Patent Information
Clock Spring Oscillate
Hans Meyer
July 14, 1970
Patent #3520127
| Patent Number: | 3520127 |
| Description: | Clock Spring Oscillate |
| Inventor(s): | Hans Meyer |
| Patent Date: | Jul 14, 1970 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
