Patents by Inventor Gary Dwayne Freeman

Gary Dwayne Freeman 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).

  • Repairable waterproof geophone housing
    Patent number: 5878001
    Abstract: A repairable geophone housing having a fully molded waterproof one piece upper body which is seabably and releasably connectible to a lower body. All surfaces within the upper body are bonded to prevent moisture entering and the geophone transducer may be replaced if desired.
    Type: Grant
    Filed: March 25, 1998
    Date of Patent: March 2, 1999
    Assignee: GEO Space Corporation
    Inventors: William O. McNeel, Leo Patrick Murphy, Gary Dwayne Freeman