Patents by Inventor Eckhard Walter

Eckhard Walter 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).

  • Patent number: 4839974
    Abstract: A closed frame is formed of a series of longitudinal pieces and a series of interlocking corner elements acting to hold the frame in assembled relation.
    Type: Grant
    Filed: December 1, 1986
    Date of Patent: June 20, 1989
    Assignee: Rahmen mit System GmbH
    Inventor: Eckhard Walter