Patents by Inventor Walter Albinger

Walter Albinger 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: 4029911
    Abstract: An electro-acoustic transducer having a chassis with a plastic contact surface for attachment of a vibratory diaphragm. The diaphragm is attached by an ultrasonic weld between the contact surface on the chassis and the edge of the vibratory part.
    Type: Grant
    Filed: April 28, 1976
    Date of Patent: June 14, 1977
    Assignee: U.S. Philips Corporation
    Inventor: Walter Albinger