Pocket Watch Database
Patent Archive
#567983
Patent Information
Clock Pneumatic
Warren S. Johnson
September 22, 1896
Patent #567983
| Patent Number: | 567983 |
| Description: | Clock Pneumatic |
| Inventor(s): | Warren S. Johnson |
| Patent Date: | Sep 22, 1896 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
