Pocket Watch Database
Patent Archive
#3518825
Patent Information
Watch Calendar
Walter Nissen
July 7, 1970
Patent #3518825
| Patent Number: | 3518825 |
| Description: | Watch Calendar |
| Inventor(s): | Walter Nissen |
| Patent Date: | Jul 7, 1970 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
