Pocket Watch Database
Patent Archive
#3248866
Patent Information
Clock Astro
Athelstan F. Spilhaus
May 3, 1966
Patent #3248866
| Patent Number: | 3248866 |
| Description: | Clock Astro |
| Inventor(s): | Athelstan F. Spilhaus |
| Patent Date: | May 3, 1966 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
