Complex sentence: In 1919 he founded the Traver Engineering Company in Beaver Falls, Pennsylvania, which created amusement rides, including the Circle Swing, Tumble Bug, The Caterpillar, Laff in the dark, and Auto Ride.
Split into simpler sentences: In 1919 he founded the Traver Engineering Company in Beaver Falls, Pennsylvania, which created amusement rides, including the Circle Swing and the Tumble Bug. He created the Circle Swing, Tumble Bug, The Caterpillar, Laff in the dark, and Auto Ride.