Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10862283 | Raceway for electrical and connectivity cables | David R. Hansen | 2020-12-08 |
| 9806509 | Fire-resistant electrical box | Kenneth A. Heinis, Richard B. Wilson | 2017-10-31 |
| 7989710 | Covered in-floor receptacle box | David R. Hansen | 2011-08-02 |
| 6881080 | Removable microphone mount and method | — | 2005-04-19 |