Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12287256 | Vibrational alarms facilitated by determination of motor on-off state in variable-duty multi-motor machines | Robert T. Fayfield | 2025-04-29 |
| 11585726 | Vibrational alarms facilitated by determination of motor on-off state in variable-duty multi-motor machines | Robert T. Fayfield | 2023-02-21 |
| 11002634 | Vibrational alarms facilitated by determination of motor on-off state in variable-duty multi-motor machines | Robert T. Fayfield | 2021-05-11 |