Patent Archive
#3517501
Patent Information
Watch Crown
Klingenberg Hans Ulrich
June 30, 1970
Patent #3517501
| Manufacturer: | |
| Patent Number: | 3517501 |
| Category: | |
| Description: | Watch Crown |
| Inventor(s): | Klingenberg Hans Ulrich |
| Patent Date: | Jun 30, 1970 |
| Registration Type: | Patent |
| External Research: | https://www.google.com/patents... |
| Patent Document: |
