Patents by Inventor William J. Hoge

William J. Hoge 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).

  • Industrial headset
    Patent number: 5604813
    Abstract: This invention relates to the various features of a headset design that utilizes active noise cancellation. This particular design has been developed to work with radio communication systems, but many features are applicable to headsets designed solely for ear protection. The unique design features of the invention allow for uninterrupted communication capability with active noise cancellation. The design also provides it own built in rechargeable power supply that is easily removed for recharging.
    Type: Grant
    Filed: May 2, 1994
    Date of Patent: February 18, 1997
    Assignee: Noise Cancellation Technologies, Inc.
    Inventors: Robert D. Evans, John Roeder, Michael J. Burke, George W. Tye, William J. Hoge