Patents by Inventor Wayne A. Lederer

Wayne A. Lederer 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: 4933981
    Abstract: A sound or acoustic system constructed entirely of magnetically inert components which remain unaffected by magnetic fields. A magnetically inert panel is provided, with at least one magnetically-inert transducer being mounted upon this panel. At least one hollow channel extends into the panel from an edge thereof, while a hole is positioned within the panel to communicate at one end with the channel and to open at an opposite end adjacent the transducer.
    Type: Grant
    Filed: April 5, 1989
    Date of Patent: June 12, 1990
    Inventor: Wayne A. Lederer
  • Patent number: RE34219
    Abstract: A sound or acoustic system constructed entirely of magnetically inert components which remain unaffected by magnetic fields. A magnetically inert panel is provided, with at least one magnetically-inert transducer being mounted upon this panel. At least one hollow channel extends into the panel from an edge thereof, while a hole is positioned within the panel to communicate at one end with the channel and to open at an opposite end adjacent the transducer.
    Type: Grant
    Filed: October 2, 1990
    Date of Patent: April 13, 1993
    Inventor: Wayne A. Lederer