| Number | Name | Date | Kind |
|---|---|---|---|
| 1829422 | Seltzer | Oct 1931 | A |
| 2740873 | Cronk | Apr 1956 | A |
| 3113174 | Spiteri | Dec 1963 | A |
| 3513356 | Friedman | May 1970 | A |
| 4737609 | Yuhasz et al. | Apr 1988 | A |
| 4803380 | Jacoby, Jr. et al. | Feb 1989 | A |
| 4835343 | Graef et al. | May 1989 | A |
| D337755 | Rowen et al. | Jul 1993 | S |
| 5675125 | Hollinger | Oct 1997 | A |
| 6186826 | Weikle | Feb 2001 | B1 |
| 6218617 | Estanislao et al. | Apr 2001 | B1 |
| Entry |
|---|
| Jackson Deerfield brochure; p. 4; standard configurations of switchplates.* |
| NEMA Standards Publication No. ANSI/NEMA WD Jun. 2001, Wiring Devices—Dimensional Specifications, pp. 5 and 7. |
| “Lutron® Residential Lighting Controls Catalog” by Lutron Electronics Co., Inc. of Coopersburg, PA, Oct. 31, 2001, pp. 70-73 and 80-83. |
| Product literature for “Maestro® Electronic Low-Voltage Dimmers” by Lutron Electronic Co., Inc. of Coopersburg, PA, Dec. 2001, 2 pages. |