Patents by Inventor James E. Plagenhoef

James E. Plagenhoef 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: 4807852
    Abstract: Multi-pedestal winch system with disconnect automatic reconnect.
    Type: Grant
    Filed: March 5, 1984
    Date of Patent: February 28, 1989
    Assignee: Barient, Inc.
    Inventors: William C. Ottemann, James E. Plagenhoef