Isabella Vogelsang, CH223170A
Engin de Sauvetage.
Image credit: Vogelsang, I. (1942)
On August 31, 1942, Isabella Vogelsang of Lausanne was granted a patent for a rescue apparatus intended to evacuate people from burning buildings. Her design combined a firefighter’s ladder with a movable elevator cage that could travel up and down along the ladder rails.
Date of Application: 20 March 1942
Date of Issuance: 31 August 1942
For more information, please refer to the following webpage:
Francesca Chiaradia
PhD Student in Economics
My research interests include law and economics, economics of innovation, and information economics.