WAGO’s history starts with the original patent for spring pressure connection technology, leading to the establishment of this family-owned company. It was 1950. While playing cards in Berlin, brothers-in-law Heinrich Nagel and Friedrich Hohorst learned about a patent for a screwless leaf-spring terminal block with push-buttons. The duo spontaneously purchased all of the rights, as well as housing, springs, current bars and rivets for a first assembly batch.