Nathan Swartz bought a half interest in the Abington Shoe Company in Abington, Massachusetts. Nathan Swartz bought the remaining interest in Abington Shoe Company and welcomed his sons into the company, manufacturing private label shoes for leading brand manufacturers for almost 10 years. The Swartz family introduced injection-moulding technology to the footwear industry. This revolutionary technology fused soles to leather uppers without stitching, producing truly waterproof boots and shoes. 1973 The Swartz family developed the âTimberlandâ brand name.