Patents by Inventor Charles A. Harbert

Charles A. Harbert 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: 3968231
    Abstract: 2-Substituted-4-aryl-1,2,3,4-tetrahydropyrrolo[3,4-b]-indoles, their use as tranquilizing agents and their preparation from 4-aryl-1,2,3,4-tetrahydropyrrolo[3,4-b]indoles.
    Type: Grant
    Filed: June 23, 1975
    Date of Patent: July 6, 1976
    Assignee: Bayer Aktiengesellschaft
    Inventors: Willard H. Welch, Jr., Charles A. Harbert