Patents by Inventor Boyd O. Barton

Boyd O. Barton 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).

  • Method for cleaning mouthpiece of smoking article
    Patent number: 4124522
    Abstract: A method for cleaning tobacco stains from a pipe stem or a cigar or cigarette holder wherein a particularly effective cleaning solution is prepared, applied to the stain and wiped away removing the stain without harming the finish of the stem or holder, said effective cleaning solution being an aqueous mixture of a carboxylic acid selected from the group consisting of saturated hydroxycarboxylic acids and saturated polycarboxylic acids or salts thereof and an alkali carbonate.
    Type: Grant
    Filed: March 2, 1977
    Date of Patent: November 7, 1978
    Inventor: Boyd O. Barton