Pocket Watch Database
Patent Archive
#3138916
Patent Information
Watch Movement
Raymond Beaumann
June 30, 1964
Patent #3138916
| Patent Number: | 3138916 |
| Category: | Movements |
| Description: | Watch Movement |
| Inventor(s): | Raymond Beaumann |
| Assignee: | Derby S A |
| Patent Date: | Jun 30, 1964 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
