Patents by Inventor Geoffrey C. Prindle

Geoffrey C. Prindle 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).

  • Kickup rudder apparatus having adjustable rake
    Patent number: 4046093
    Abstract: A rudder is pivotably mounted in an integral rudder-tiller support having a spring-loaded detent engageable by a lock on the rudder which may be adjusted to change rake and which may be released to free rudder to swing on its pivot by moving detent out of locking engagement with the lock.
    Type: Grant
    Filed: February 17, 1976
    Date of Patent: September 6, 1977
    Assignee: Surfglas, Inc.
    Inventors: Geoffrey C. Prindle, J. Sterling Santley