Patents by Inventor Douglas J. Holzrichter

Douglas J. Holzrichter 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).

  • Cigar or cigarette holder and shield
    Patent number: 7600517
    Abstract: A device for protecting the lit end of a cigar or cigarette has a tubular body made of a nonflammable material with an inner diameter large enough to permit air to circulate around the lit end of the smoke. The tubular body is retained around the smoke by a second compressible tubular member fitted within the tubular body.
    Type: Grant
    Filed: June 27, 2005
    Date of Patent: October 13, 2009
    Inventor: Douglas J. Holzrichter