Patents by Inventor Stephen H. Lampen

Stephen H. Lampen 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).

  • Touch controlled voltage-divider device
    Patent number: 3968467
    Abstract: A voltage divider device capable of providing any voltage in a preselected range of voltages, which voltage may be set by a touch of the finger is disclosed. The device includes a control element without frictional contacts and a voltage storage circuit controlled by the control element. A circuit including the device is described and embodiments of the device providing a visual indication of the setting of the device are disclosed.
    Type: Grant
    Filed: November 1, 1974
    Date of Patent: July 6, 1976
    Assignee: Stephen H. Lampen
    Inventors: Stephen H. Lampen, William E. Hearn