Patents by Inventor Rufus Lee Cook

Rufus Lee Cook 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).

  • High power-wide frequency band electroacoustic transducer
    Patent number: 3953828
    Abstract: An electroacoustical transducer assembly employs a plurality of focused poelectric elements. Each of said elements is made of a plurality of individual sections and energized to produce a radiation pattern having desired geometrical properties. The individual piezoelectric elements are figured to improve the frequency bandwidth and to provide for improved electrical connection thereto.
    Type: Grant
    Filed: November 8, 1968
    Date of Patent: April 27, 1976
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventor: Rufus Lee Cook