CH 235
Jump to navigation
Jump to search
This category existed only from 1888 to 1889, then its patents were reclassified into the later system, Swiss patent classifications, 1890-1907. This wiki has 1 patents in category "CH 235".
Patents in category CH 235
- Patent CH-1889-589 (English title: New aerial tramway system using multiple wires, Inventors: Leonardo Torres Quevedo, Filing date: 1889-02-15)
Enclosing categories | Swiss patent classifications, 1888-1889 |
---|---|
Subcategories | |
Keywords | Propulsion |
Start year | 1888 |
End year | 1889 |