Complex sentence: In 1983, Mears founded Woodlore, a company that offers Bushcraft-related courses and paraphernalia, and which became so successful that it soon led to the trademarking of the name "Ray Mears".
Split into simpler sentences: In 1983, Mears founded Woodlore, a company that offers Bushcraft-related courses and paraphernalia. It became so successful that it soon led to the trademarking of the name "Ray Mears".