Patents Assigned to GMSR Ortho Enterprises, Inc.
  • Patent number: 4339150
    Abstract: A back support construction including a base, upper and lower back support plates of extended surface area, mechanical linkages for positively bodily moving each of the upper and lower back support plates in their entireties independently of each other toward and away from the base while each maintains parallelism with the base, knobs extending laterally from the base for actuating the mechanical linkages, and padding on the upper and lower plates.
    Type: Grant
    Filed: May 5, 1980
    Date of Patent: July 13, 1982
    Assignee: GMSR Ortho Enterprises, Inc.
    Inventors: Daniel E. McNamara, Gerald Sinatra