Pocket Watch Database
Patent Archive
#2211869
Patent Information
Watch Crystal Box
Toshio Tobita
August 20, 1940
Patent #2211869
| Patent Number: | 2211869 |
| Description: | Watch Crystal Box |
| Inventor(s): | Toshio Tobita |
| Assignee: | American Perfit Crystal Corp |
| Patent Date: | Aug 20, 1940 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
