Patents Assigned to Rob Wortman
  • Patent number: 4638884
    Abstract: A headrest hollow casing has a central vented chamber connecting end chambers in which stereophonic loudspeakers are mounted and such central chamber is loosely filled with batting or other sound-damping material. The casing is supported by mounting rods or mounting bar angularly adjustable relative to the casing.
    Type: Grant
    Filed: July 11, 1985
    Date of Patent: January 27, 1987
    Assignees: Willis S. Cole, James Lee, Rob Wortman, Claude Frabel
    Inventor: James Lee