Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10030396 | System to deter external climbing of open stairs | Richard B. Murphy | 2018-07-24 |
| 10024070 | System to deter external climbing of open stairs | Richard B. Murphy | 2018-07-17 |
| 9915077 | System to deter external climbing of open stairs | Richard B. Murphy | 2018-03-13 |