Patents by Inventor Friedrich Holl

Friedrich Holl 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).

  • Holder bar for sheet-like articles
    Patent number: 4105127
    Abstract: A holder bar for supporting sheet-like articles comprises an outer hollow rod having a throughgoing insertion slot extending along the length dimension of the outer hollow rod and an inner hollow rod arranged within and supported by the outer hollow rod and being coextensive therewith. The inner hollow rod includes resiliently cooperating components to form a clamp aligned with and arranged in the zone of the insertion slot for receiving and resiliently clamping a sheet-like article introduced into the insertion slot.
    Type: Grant
    Filed: April 4, 1977
    Date of Patent: August 8, 1978
    Assignee: C. Hohage & Cie. KG
    Inventor: Friedrich Holl