Patents by Inventor Damer Evelyn O'Neill Waddington

Damer Evelyn O'Neill Waddington 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).

  • Control devices
    Patent number: 4107585
    Abstract: A control device which is suitable for use with electronic apparatus is used to scan a range of signal or data values, such as a frequency spectrum, and to cease scanning when a selected parameter is found. The scanning operation is driven by a d.c. ironless motor which, once it has been initially spun by hand, continues to rotate until the selected parameter is detected.
    Type: Grant
    Filed: March 16, 1977
    Date of Patent: August 15, 1978
    Assignee: Marconi Instruments Ltd.
    Inventor: Damer Evelyn O'Neill Waddington