Did you know that Nike purchased Converse sneakers? This article discusses how Nike has found success in owning the Converse brand while letting the company be and not trying to make it into another Nike.
Not just Converse, but:
Cole Haan dress shoes, Converse retro-style sneakers, Hurley International skateboard gear, and Bauer in-line and hockey skates.
In this article, they talk about losing focus, then regainging. A good read for small business owners as well.