A company formed after the burst of the Internet bubble to control assets of defunct ZapMedia Inc. has received a patent from the U.S. Patent and Trademark Office that could potentially send shock waves through industries that distribute digital audio and video content over the Internet. ZapMedia Services, which now owns Patent No. 7,020,704, has put it up for sale. Organizing negotiations, Atlanta-based Lava Group Inc., which manages patents and intellectual property, has been fielding calls from executives becoming aware of ZapMedia's portfolio. ZapMedia's patent describes a distribution model for audio and video digital content, a combination of streaming media...