Patents by Inventor Eric R Cheer

Eric R Cheer 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).

  • Amplifier
    Patent number: 6940347
    Abstract: A re-circulating amplifier comprising a SAW filter with group delay characteristics for providing a time delay function.
    Type: Grant
    Filed: April 25, 2002
    Date of Patent: September 6, 2005
    Assignee: BAE Systems (Defence Systems) Limited
    Inventor: Eric R Cheer