Patents by Inventor Joel R. Schwarze

Joel R. Schwarze 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).

  • Quick release tension fastener
    Patent number: 6290069
    Abstract: A tension fastener includes a quick release feature. In one embodiment, the fastener has a moveable feature that can be used to maintain a compression force on a coil spring of the fastener. In one embodiment, the moveable feature is a pair of arms attached to the quick release head. The fastener can be used in a manufacturing environment having sifting tables to attach a sifting screen to a frame of the sifting table.
    Type: Grant
    Filed: May 31, 2000
    Date of Patent: September 18, 2001
    Assignee: Technical Training Tools, Inc.
    Inventors: Joel R. Schwarze, Charles T. Hausladen