Patents by Inventor Allen F. Messenger

Allen F. Messenger 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: D244412
    Type: Grant
    Filed: December 29, 1975
    Date of Patent: May 24, 1977
    Assignee: Nixdorff-Krein Manufacturing Company
    Inventor: Allen F. Messenger
  • Patent number: D251224
    Type: Grant
    Filed: August 13, 1976
    Date of Patent: March 6, 1979
    Assignee: Nixdorff-Krein Manufacturing Company
    Inventor: Allen F. Messenger