Pocket Watch Database
Patent Archive
#3122880
Patent Information
Timepiece Stud Fastening Outer End Hair Spring
Rudolf Greiner
March 3, 1964
Patent #3122880
| Patent Number: | 3122880 |
| Description: | Timepiece Stud Fastening Outer End Hair Spring |
| Inventor(s): | Rudolf Greiner |
| Assignee: | Greiner Electronic A G |
| Patent Date: | Mar 3, 1964 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
