Pocket Watch Database
Patent Archive
#460097
Patent Information
Watch & Compass
Theodore F. Burgdorff
September 22, 1891
Patent #460097
| Patent Number: | 460097 |
| Description: | Watch & Compass |
| Inventor(s): | Theodore F. Burgdorff |
| Patent Date: | Sep 22, 1891 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
