Patents by Inventor Thomas P. Sifferlen

Thomas P. Sifferlen 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).

  • Patent number: 4200872
    Abstract: A non-linear digital waveform generator apparatus utilizing a variable clock to produce a predistorted transmission signal which is opposite to the distortion that is produced by the target's velocity.
    Type: Grant
    Filed: December 13, 1978
    Date of Patent: April 29, 1980
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventors: Thomas P. Sifferlen, Fritz Steudel