Patents by Inventor Walter J. Hajduk

Walter J. Hajduk 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).

  • Device for supporting a keyboard
    Patent number: 6702410
    Abstract: A device for supporting a standard size keyboard tray within an electronics rack or cabinet. The keyboard supporting device includes a slideable shelf and a keyboard tray that is rotatably mounted thereto. The keyboard tray is rotatable between a storage position in which the keyboard tray is substantially perpendicular to the slideable shelf and a use position in which the keyboard tray is substantially parallel to the slideable shelf. A biasing device is included for biasing the keyboard tray toward either the storage position or the use position when the keyboard tray is disposed between the use position and the storage position.
    Type: Grant
    Filed: October 15, 2002
    Date of Patent: March 9, 2004
    Assignee: H & H Industrial Corp.
    Inventors: Konrad Kusztal, Joseph T. Williamson, Jr., James J. Mackle, Stanley Kowalczuk, Sidney Kleiman, Walter J. Hajduk, III
  • Device for supporting a keyboard
    Publication number: 20030107305
    Abstract: A device for supporting a standard size keyboard tray within an electronics rack or cabinet. The keyboard supporting device includes a slideable shelf and a keyboard tray that is rotatably mounted thereto. The keyboard tray is rotatable between a storage position in which the keyboard tray is substantially perpendicular to the slideable shelf and a use position in which the keyboard tray is substantially parallel to the slideable shelf. A biasing device is included for biasing the keyboard tray toward either the storage position or the use position when the keyboard tray is disposed between the use position and the storage position.
    Type: Application
    Filed: October 15, 2002
    Publication date: June 12, 2003
    Inventors: Konrad Kusztal, Joseph T. Williamson, James J. MacKle, Stanley Kowalczuk, Sidney Kleiman, Walter J. Hajduk