Patents by Inventor Robert Duane Sofia

Robert Duane Sofia 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: 5723501
    Abstract: The present invention relates to pharmaceutical compositions containing 3-iodo-1,2-propanediol which are effective in increasing the output of thin respiratory tract fluid and liquefying tenacious mucus in the bronchial tree.
    Type: Grant
    Filed: November 20, 1996
    Date of Patent: March 3, 1998
    Assignee: Carter-Wallace, Inc.
    Inventor: Robert Duane Sofia