Patents by Inventor Philip J. Silvia

Philip J. Silvia 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).

  • Signal conditioner front-end
    Patent number: 3947695
    Abstract: A means of providing signal conditioning, without degradation, for transducers having various excitation voltages prior to application to systems apparatus for further processing.
    Type: Grant
    Filed: October 21, 1974
    Date of Patent: March 30, 1976
    Assignee: The United States of America as represented by the Secretary of the Department of Transportation
    Inventor: Philip J. Silvia