Pocket Watch Database
Patent Archive
#336769
Patent Information
Kontaktlos Gesteuertes Schwingsystem
Durowe L Hummel & Co
May 31, 1956
Patent #336769
| Patent Number: | 336769 |
| Description: | Kontaktlos Gesteuertes Schwingsystem |
| Inventor(s): | Durowe L Hummel & Co |
| Patent Date: | May 31, 1956 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
