Patents by Inventor Fred W. Devaney

Fred W. Devaney 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).

  • Marine propeller block apparatus
    Patent number: 5288208
    Abstract: A block structure of a generally trapezoidal configuration is interposed between a cavitation plate and propeller of a marine engine's lower unit to effect abutment of the propeller permitting loosening and removal of the associated propeller retaining nut member.
    Type: Grant
    Filed: June 1, 1993
    Date of Patent: February 22, 1994
    Inventors: Richard L. Cummins, Fred W. Devaney