Pocket Watch Database
Patent Archive
#559853
Patent Information
Clock System Pneumatic
Warren S. Johnson
May 12, 1896
Patent #559853
| Patent Number: | 559853 |
| Description: | Clock System Pneumatic |
| Inventor(s): | Warren S. Johnson |
| Patent Date: | May 12, 1896 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
