Patents by Inventor Carl R. Frankenberg

Carl R. Frankenberg has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Mattress pad
    Patent number: 4326310
    Abstract: A mattress pad having a porous aluminum silicone layer for reflection and retention of body heat.
    Type: Grant
    Filed: August 21, 1980
    Date of Patent: April 27, 1982
    Assignee: American Foam Latex Corporation
    Inventor: Carl R. Frankenberg
  • Method of manufacturing a heat reflective mattress pad
    Patent number: 4260440
    Abstract: A mattress pad having a porous aluminum silicone layer for reflection and retention of body heat.
    Type: Grant
    Filed: October 22, 1979
    Date of Patent: April 7, 1981
    Assignee: American Foam Latex Corporation
    Inventor: Carl R. Frankenberg