Patent & Trademark

Convolve claims Dell, Western Digital, and Hitachi violate its patents on computer hard drive devices that help move things with no vibration, in Marshall, Texas, Federal Court. Convolve says the system has been used in Space Shuttle robots, X-ray machines, and other devices.

Clear With Computers claims Apple and Hewlett-Packard violate its Web site technology, in Tyler, Texas, Federal Court.

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