Pocket Watch Database
Patent Archive
#731789
Patent Information
Stem Wind Watch
Edouard Koehn
June 23, 1903
Patent #731789
Patent Number: | 731789 |
Description: | Stem Wind Watch |
Inventor(s): | Edouard Koehn |
Patent Date: | Jun 23, 1903 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |