Patents by Inventor Roland Wurthner

Roland Wurthner 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: 4020951
    Abstract: In an arrangement for suspending a sheet member of a file folder or the like from a supporting rail having two longitudinal beads received in respective edge notches of the sheet member, the open side of one notch is normally obstructed by a unitary latch body movably secured to the edge portion of the sheet. Two bracket portions of the latch body receive the edge portion between respective opposite faces, a spring portion abuttingly engages the edge portion of the sheet member and biases the latch body toward an operative position in which a detent portion of the same obstructs the open side of the one notch.
    Type: Grant
    Filed: April 29, 1976
    Date of Patent: May 3, 1977
    Assignee: Louis Leitz
    Inventor: Roland Wurthner