I have seen other such international models, too. It may be that these were private label Electrolux machines with some unique features or that the patent had expired allowing other companies to produce similarly-designed models.
Most likely & yes"It may be that these were private label Electrolux machines with some unique features or that the patent had expired allowing other companies to produce similarly-designed models."
That was it looks like. I wonder if they use the same brushes and machinery as the Electrolux. Nice alternative options if looking for chrome machines.