Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7247793 | Wall plate adapter for coupling home network control signals to AC power wiring | Richard H. Hinkson, John J. Ryan | 2007-07-24 |
| 7173527 | Pull-apart contact using magnets to complete the circuit | Kevin G. Piel, Thomas S. Babich, Robert E. Lee | 2007-02-06 |
| 7151461 | Magnetic contact tamper switch for security accessories | Robert E. Lee, Kevin G. Piel | 2006-12-19 |