Patents by Inventor James Eric Krotzer

James Eric Krotzer 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: 8550509
    Abstract: Methods and apparatus include a hand-insertable window wedging mechanism. When positioned in an interior corner of an automobile door frame, the wedge keeps the window of the door from sliding down, and may secure the window in a fully closed position.
    Type: Grant
    Filed: October 1, 2010
    Date of Patent: October 8, 2013
    Inventor: James Eric Krotzer