Pocket Watch Database
Patent Archive
#2997841
Patent Information
Watch Security Device Balance Spring
Lars Loge
August 29, 1961
Patent #2997841
| Patent Number: | 2997841 |
| Description: | Watch Security Device Balance Spring |
| Inventor(s): | Lars Loge |
| Patent Date: | Aug 29, 1961 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
