Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8141838 | Adjustable picture hanger | Natalia Johnson, Christian S. Leyden | 2012-03-27 |
| 6122945 | Keyless door knob security device with stabilizer arm | — | 2000-09-26 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8141838 | Adjustable picture hanger | Natalia Johnson, Christian S. Leyden | 2012-03-27 |
| 6122945 | Keyless door knob security device with stabilizer arm | — | 2000-09-26 |