Patents by Inventor Fred Jay Dellar

Fred Jay Dellar 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).

  • One-point stereo microphone
    Patent number: 4070547
    Abstract: A stereo microphone having two transducer elements that are mechanically held together, adjacent each other, with one of the elements acting as an electrical transducer for audio signals reaching it from the right, and the other element acting as a similar transducer to convert audio signals reaching it from the left.
    Type: Grant
    Filed: January 8, 1976
    Date of Patent: January 24, 1978
    Assignee: Superscope, Inc.
    Inventor: Fred Jay Dellar
  • One-point stereo microphone
    Patent number: D245776
    Type: Grant
    Filed: January 8, 1976
    Date of Patent: September 13, 1977
    Assignee: Superscope, Inc.
    Inventor: Fred Jay Dellar