Pocket Watch Database
Patent Archive
#1623907
Patent Information
Clock Four Hundred Day Remove Main Spring
John C. Burke
April 5, 1927
Patent #1623907
| Patent Number: | 1623907 |
| Description: | Clock Four Hundred Day Remove Main Spring |
| Inventor(s): | John C. Burke |
| Patent Date: | Apr 5, 1927 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
