Patents by Inventor Robert H. Wilson, II

Robert H. Wilson, II 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).

  • Patent number: 4890609
    Abstract: This invention is a device for orally directing air while wearing an air mask. In the invention, a tube extends from outside the air mask, through the air mask, and into the mask wearer's mouth. The tube is fitted with means to seal its passage through the mask and may also include a one-way valve to prevent aspiration through it. In a preferred embodiment, the invention is manufactured separately from an air mask and may be reused after the air mask becomes worn out.
    Type: Grant
    Filed: June 27, 1988
    Date of Patent: January 2, 1990
    Inventor: Robert H. Wilson, II