Pocket Watch Database
Patent Archive
#2405087
Patent Information
Timepiece Tight Wind Device
Joseph Antoine Boninchi
July 30, 1946
Patent #2405087
| Patent Number: | 2405087 |
| Description: | Timepiece Tight Wind Device |
| Inventor(s): | Joseph Antoine Boninchi |
| Assignee: | J Boninchi & Ses Fils |
| Patent Date: | Jul 30, 1946 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
