Jacques-Charles Roger Collet

Rivaz

Trademarks, designs and patents

bibelot

Swiss design · 133948 · Holder

Deleted
Procédé de fabrication d'une reproduction photolumineuse

Swiss patent · CH681713 · Holder, Inventor

Deleted
Procédé de fabrication de carton ou de papier ondulé composite

Swiss patent · CH659798 · Holder, Inventor

Deleted