Patents by Inventor Phillip H. Carlson

Phillip H. Carlson 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: D244790
    Type: Grant
    Filed: September 16, 1975
    Date of Patent: June 21, 1977
    Assignee: International Telephone and Telegraph Corporation
    Inventors: Phillip H. Carlson, Lawrence E. Erickson