Patents by Inventor Roger J. Stephens

Roger J. Stephens 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: 4466963
    Abstract: Pharmaceutical compositions containing meptazinol or a pharmaceutically acceptable acid addition salt thereof and ibuprofen or a pharmaceutically acceptable salt thereof are useful in treating pain in mammals.
    Type: Grant
    Filed: July 5, 1983
    Date of Patent: August 21, 1984
    Assignee: John Wyeth & Brother Limited
    Inventors: John F. Cavalla, Roger J. Stephens