Pocket Watch Database
Patent Archive
#3527047
Patent Information
Watch Calendar Mech
Benjamin Bolle
September 8, 1970
Patent #3527047
| Patent Number: | 3527047 |
| Description: | Watch Calendar Mech |
| Inventor(s): | Benjamin Bolle |
| Assignee: | Bernhard Forster Firm |
| Patent Date: | Sep 8, 1970 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
