Pocket Watch Database
Patent Archive
#1748645
Patent Information
Clock Watch Apparatus Test Balance Wheel Unit
Frederick Franz
February 25, 1930
Patent #1748645
| Patent Number: | 1748645 |
| Description: | Clock Watch Apparatus Test Balance Wheel Unit |
| Inventor(s): | Frederick Franz |
| Assignee: | New Haven Clock Co |
| Patent Date: | Feb 25, 1930 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
