Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9961948 | Knee pad attachable to a base including rollers and a brake to assist with user movement on a flat surface | — | 2018-05-08 |
| 6342847 | Virtual fence system and method | Kim Donald Langdon, Paul McDermott | 2002-01-29 |