U.S. patent number D557,128 [Application Number D/238,921] was granted by the patent office on 2007-12-11 for button shape for clinch joint. This patent grant is currently assigned to BTM Corporation. Invention is credited to Edwin G. Sawdon, Steven J. Sprotberry.
United States Patent | D557,128 |
Sawdon , et al. | December 11, 2007 |
Inventors: | Sawdon; Edwin G. (St. Clair, MI), Sprotberry; Steven J. (Marysville, MI) |
---|---|
Assignee: | BTM Corporation (Marysville,
MI) |
Appl. No.: | D/238,921 |
Filed: | September 22, 2005 |
Current U.S. Class: | D8/382 |
Current International Class: | 0808 |
Field of Search: | ;D8/382 |
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