Patents by Inventor Eric H. Williams

Eric H. Williams 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: 7017197
    Abstract: An adjustable plunger apparatus includes a plunger portion including an elongate shaft having opposed end portions rigidly connected to a suction portion at one of the end portions. The elongate shaft includes a depressible pin extending outwardly therefrom adjacent an opposed end portion of the shaft. The apparatus further includes a tube member having a hollow interior for receiving the shaft therein. The tube member includes an aperture for receiving the pin therethrough and for securely connecting the tube member to the plunger portion. A grip portion has a notch formed therein and an ashtray may be removably insertable into the notch. Alternately, a candleholder may be removably insertable into the notch. The apparatus may further include a base member for receiving the suction member therein during non-operating conditions.
    Type: Grant
    Filed: December 1, 2004
    Date of Patent: March 28, 2006
    Inventor: Eric H. Williams