Patents by Inventor Wiley F. Walker

Wiley F. Walker 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).

  • Gas delivery apparatus protection device
    Patent number: 4846170
    Abstract: A gas delivery apparatus protection device that is used in combination with gas delivery systems. The gas delivery apparatus protection device is permeable to inhalation gases, but reduces the possibility of the transfer of undesirable agents from one user to another. These agents include pathogens, chemicals, cosmetics, drugs, viruses, bacteria and molds.
    Type: Grant
    Filed: February 17, 1988
    Date of Patent: July 11, 1989
    Inventors: Bill H. McAnalley, Wiley F. Walker