We have 25 objects that Petitpierre et Cie has been involved with.

If you would like to cite this person in a Wikipedia article please use the following template:

<ref name=CH>{{cite web |url=https://www-4.collection.cooperhewitt.org/people/18045481/ |title=Petitpierre et Cie |author=Cooper Hewitt, Smithsonian Design Museum |accessdate=6 October 2022 |publisher=Smithsonian Institution}}</ref>