Patents by Inventor Martin Oberfrank

Martin Oberfrank 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).

  • Publication number: 20130056959
    Abstract: A rear attachment unit is provided for a motor vehicle body having a support and at least one connecting part connected thereto for fastening to a rear-end support structure of the body. The connecting part can be connected to the support structure by way of at least one fastening section and includes, but is not limited to a deformation structure with a geometrical shaped design for the absorption of mechanical forces.
    Type: Application
    Filed: August 31, 2012
    Publication date: March 7, 2013
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Bernhard MATHES, Martin OBERFRANK
  • Patent number: 4976578
    Abstract: A fastening element for connecting a component to an apertured panel. The fastening element has a shank with a rounded end for latching engagement with a female latch member. This female latch member is rigidly connected with the component to be fastened or formed integrally therewith. The shank is adapted for limited pivotal movement in the female latch member. During removal of the component, the spherical member is caused to disengage from the female latch member prior to the shank disengaging.
    Type: Grant
    Filed: December 22, 1989
    Date of Patent: December 11, 1990
    Assignee: General Motors Corporation
    Inventors: Bernhard Mathes, Guenter Gosing, Martin Oberfrank