Patents by Inventor Kelly T. Hale

Kelly T. Hale 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).

  • Pressure equalizing scuba diver mouthpiece and accessories
    Patent number: 5701885
    Abstract: A scuba diver mouthpiece that is held in place between users' molars and bicuspids using flexible partially fluid filled retention arm segments with an offset in the mouthpiece and pressure equalizing channel between retention arm segments to allow comfortable use of the mouthpiece for prolonged periods of time. The disclosure further describes a variable sized breathing air humidifier and removable adapter for use with the mouthpiece.
    Type: Grant
    Filed: December 30, 1994
    Date of Patent: December 30, 1997
    Inventor: Kelly T. Hale