Some companies specialize in speakers. Others are experts at making cases. And still others, such as Griffin Technology, are jacks of all trades. Founded in 1992, Nashville, Tennessee-based Griffin focused for years on Macintosh-related products before entering the iPod market in 2002. At that point, it burst onto the scene with various pocket-sized electronic attachments, subsequently releasing at least one—the seminal FM transmitter iTrip—you…
