Pocket Watch Database
Patent Archive
#1900612
Patent Information
Watch Apparatus For Test
Tokujiro Owada
March 7, 1933
Patent #1900612
| Patent Number: | 1900612 |
| Description: | Watch Apparatus For Test |
| Inventor(s): | Tokujiro Owada |
| Assignee: | Konishi Koji |
| Patent Date: | Mar 7, 1933 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
