| US D585,838 S | ||
| Power switching device | ||
| Larry E. Tiedemann, Winona, Minn. (US); Robert A. Pape, Winona, Minn. (US); and James P. Hentges, Fountain City, Wis. (US) | ||
| Assigned to Watlow Electric Manufacturing Company, St. Louis, Mo. (US) | ||
| Filed on Mar. 09, 2007, as Appl. No. 29/273,696. | ||
| Term of patent 14 Years | ||
| LOC (9) Cl. 13 - 03 | ||
| U.S. Cl. D13—158 [D13/147] |

| The ornamental design for a power switching device, as shown and described. |