Patents Assigned to Monterey Manufacturing Company
  • Patent number: 4382305
    Abstract: A waterbed mattress comprising an external envelope is provided with an internal layer of viscous, polymeric sealing material for sealing punctures in the mattress. The polymeric material can be polybutene filled with a particulate filler. The sealing material can be sandwiched between two layers of polyethylene to form an internal liner assembly that conforms generally to the shape of the external envelope of the waterbed mattress.
    Type: Grant
    Filed: March 27, 1980
    Date of Patent: May 10, 1983
    Assignee: Monterey Manufacturing Company
    Inventors: Charles P. Hall, Joseph Philipson