Pocket Watch Database
Patent Archive
#D56637
Patent Information
Watch Calendar
Max Szapiak
November 16, 1920
Patent #D56637
| Patent Number: | D56637 |
| Description: | Watch Calendar |
| Inventor(s): | Max Szapiak |
| Patent Date: | Nov 16, 1920 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
