Patents by Inventor Paul C. Janigian

Paul C. Janigian 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).

  • System for eliminating duplicate entries from a mailing list
    Patent number: 5303149
    Abstract: Contributor/customer lists are created with a merge/purge program that identifies duplicate records even though key elements of the records (e.g. name/address or zip code) differ.
    Type: Grant
    Filed: October 28, 1991
    Date of Patent: April 12, 1994
    Inventor: Paul C. Janigian