The Sono-phonic was manufactured by Compagnie P.T. Legaré Limitée, Montreal, Quebec. Apparently P. T. Legaré was a large commercial empire in Quebec (known for farm equipment and knitting machines in particular):

The following pictures were sent in December 2009 by Chris from Ohio and are of a machine from his wife's family in Quebec.

A Sono-phonic for sale on Facebook Marketplace in 2023.