Patents by Inventor Percy Wilson

Percy Wilson 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: 4070028
    Abstract: A cleaning device, for the removal of contaminants from the grooves of gramophone records, is of the kind having a rod-like scouring element adapted to pass down into the groove at least partially towards the base of the groove, a reservoir for supplying cleansing liquid to the scouring element, and means for supporting the scouring element in relation to a rotating record, the scouring element being resiliently bendable and/or the supporting means providing resilient support of the scouring element. A supporting means is so arranged that the longitudinal axis of the scouring element may lie in a plane which is substantially normal to the groove radius at the point of contact, and with the longitudinal axis of the scouring element forming less than a right angle, preferably within the range 30.degree. to 45.degree. and most preferably approximately 35.degree., with the plane of the record downstream of the point of contact, i.e.
    Type: Grant
    Filed: June 29, 1976
    Date of Patent: January 24, 1978
    Assignee: Metrosound Audio Products Ltd.
    Inventor: Percy Wilson