Patents by Inventor Waldemar Hoog

Waldemar Hoog 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: 4940142
    Abstract: A holder for retaining and storing individual data diskettes, especially 31/2 inch diskettes. The holder defines a receptacle that secures the diskette along three side edges, and in the direction normal to the plane of the diskette. A binder on the side edge of the holder includes holes for inserting the device in a file folder. The device includes a flat resilient pressure element pressing against one side of the diskette, and a holding catch facing the pressure element so as to engage complimentary recesses in the confronting side of the diskette. Side connecting devices are formed on opposite sides of the devices, for interconnecting several such devices.
    Type: Grant
    Filed: November 3, 1989
    Date of Patent: July 10, 1990
    Assignee: Elba-Ordner-Fabrik Kraut & Meinenborn GmbH & Co.
    Inventors: Dietmar Behrens, Waldemar Hoog, Rudolf Zimmermann
  • Patent number: 4884691
    Abstract: A holder for retaining and storing individual data diskettes, especially 31/2 inch diskettes. The holder defines a receptacle that secures the diskette along three side edges, and in the direction normal to the plane of the diskette. A binder on the side edge of the holder includes holes for inserting the device in a file folder. The device includes a flat resilient pressure element pressing against one side of the diskette, and a holding catch facing the pressure element so as to engage complimentary recesses in the confronting side of the diskette. Side connecting devices are formed on opposite sides of the devices, for interconnecting several such devices.
    Type: Grant
    Filed: April 11, 1988
    Date of Patent: December 5, 1989
    Assignee: Elba-Ordner-Fabrik Kraut & Meienborn GmbH & Co.
    Inventors: Dietmar Behrens, Waldemar Hoog, Rudolf Zimmermann