Patent index documents history of iconic Saskatchewan inventions
Posted: Dec 19, 2020 6:00 AM CT | Last Updated: December 19, 2020 This propeller driven surface machine, better known as the Lorch Snow Plane, was patented in 1935 by Karl Lorch in Spy Hill, Sask. It sits on display at the Moose Jaw branch of the Western Development Museum. (Western Development Museum)