LINKY.
One of the links off the Trove website (mentioned in another post) is this periodical. The title can be translated as, "The Catalog of Patented Inventions." I can suppose that these are mainly French inventions.
I mentioned that this is a periodical. In this case, there are 70 issues: the earliest one is from 1828 and the latest is from 1864. Each issue is both searchable and downloadable. They are in French and I didn't see any pics in the issues I leafed through, but if you're looking for a French patent from the 19th century from a specific person or company, I think this will suit you nicely.
One of the links off the Trove website (mentioned in another post) is this periodical. The title can be translated as, "The Catalog of Patented Inventions." I can suppose that these are mainly French inventions.
I mentioned that this is a periodical. In this case, there are 70 issues: the earliest one is from 1828 and the latest is from 1864. Each issue is both searchable and downloadable. They are in French and I didn't see any pics in the issues I leafed through, but if you're looking for a French patent from the 19th century from a specific person or company, I think this will suit you nicely.