Pocket Watch Database
Patent Archive
#3472021
Patent Information
Clock Universal
Hajime Karakawa
October 14, 1969
Patent #3472021
| Patent Number: | 3472021 |
| Description: | Clock Universal |
| Inventor(s): | Hajime Karakawa |
| Patent Date: | Oct 14, 1969 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
