Patents by Inventor John C. Challans

John C. Challans 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).

  • Electrical connector socket
    Patent number: D286397
    Type: Grant
    Filed: January 17, 1984
    Date of Patent: October 28, 1986
    Assignee: Plessey Overseas Limited
    Inventor: John C. Challans
  • Electrical connector plug
    Patent number: D287238
    Type: Grant
    Filed: January 17, 1984
    Date of Patent: December 16, 1986
    Assignee: Plessey Overseas Limited
    Inventor: John C. Challans