Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8299359 | Wiring device and cover plate snap-on assembly | David Alderson, Michael D. Williams | 2012-10-30 |
| 7960651 | Wiring device and cover plate snap-on assembly | David Alderson, Michael D. Williams | 2011-06-14 |
| 5950812 | Rocker switch using a star spring | Mehmet Tanacan, Gregory Lawren, Ralph Giannuzzi, Michael D. Williams | 1999-09-14 |