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| D453000 | Shinjo et al. | Jan 2002 | S |
| D454057 | Pamer et al. | Mar 2002 | S |
| D457054 | Pamer et al. | May 2002 | S |
| D519530 | Thysell et al. | Apr 2006 | S |
| D534796 | Falkenburg | Jan 2007 | S |
| D545584 | Hunziker | Jul 2007 | S |
| D551269 | Burke, III | Sep 2007 | S |
| D604611 | Ames et al. | Nov 2009 | S |
| D634343 | Burke, III | Mar 2011 | S |
| D662869 | Ballard | Jul 2012 | S |
| D668919 | Teng | Oct 2012 | S |
| Entry |
|---|
| Penn Engineering, Self-Clinching Nuts, Bulletin CL, Rev. 912. |