Patents by Inventor W. Wait

W. Wait 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).

  • Smoking appliance
    Patent number: 4200114
    Abstract: A device for enclosing a cigarette when being smoked, wherein a series of check valves are provided in conjunction with a smoke filter for permitting a smoker to draw smoke into the lungs and discharge it without affecting significantly a surrounding atmosphere.
    Type: Grant
    Filed: February 10, 1978
    Date of Patent: April 29, 1980
    Inventor: Howard W. Waite