Patents by Inventor Erwin Sheppard

Erwin Sheppard 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: 4047646
    Abstract: A device for use with pressurized dispensers adapted to prevent valve actuation by human fingers of less than predetermined dimensions. The device is characterized by an actuator member having an upper surface with effective and ineffective areas. The effective area is non-depressible by fingers of less than a predetermined dimension and the ineffective area has finger-repelling means thereon. The invention may be incorporated in an independent actuator button or in an actuator-overcap.
    Type: Grant
    Filed: July 21, 1975
    Date of Patent: September 13, 1977
    Assignee: S. C. Johnson & Son, Inc.
    Inventors: Mei-Kuo Lo, Erwin Sheppard