Patents by Inventor Roland A. Granfors

Roland A. Granfors 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).

  • Cantilever beam G-switch
    Patent number: 5092172
    Abstract: A sensing device for sensing acceleration consisting of a number of miniae steel bearing balls as mass elements, a housing for locating and containing the mass elements, a printed circuit board for sensing a discrete number of levels of acceleration, and an array of cantilever beam flexure elements equal in number to that of the mass elements located between the mass elements and the printed circuit board.
    Type: Grant
    Filed: June 20, 1990
    Date of Patent: March 3, 1992
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: David L. Overman, Roland A. Granfors