Pocket Watch Database
Patent Archive
#1997511
Patent Information
Watch Astro
Christopher Canepa
April 9, 1935
Patent #1997511
| Patent Number: | 1997511 |
| Description: | Watch Astro |
| Inventor(s): | Christopher Canepa |
| Patent Date: | Apr 9, 1935 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
