Pocket Watch Database
Patent Archive
#3154912
Patent Information
Mount Regulate Outer End Spiral Spring
David Pinkas
November 3, 1964
Patent #3154912
| Patent Number: | 3154912 |
| Description: | Mount Regulate Outer End Spiral Spring |
| Inventor(s): | David Pinkas |
| Patent Date: | Nov 3, 1964 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
