Patents by Inventor Manuel Glickman

Manuel Glickman 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).

  • Reversible dual purpose box spring
    Patent number: 4083069
    Abstract: An improved box spring construction that provides two mattress supporting surfaces, each of which are of different firmness so as to eliminate the need for mattress stiffening bed boards, and to materially increase the desirability, life and usefulness of the box spring.
    Type: Grant
    Filed: December 22, 1976
    Date of Patent: April 11, 1978
    Inventor: Manuel Glickman