Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11040849 | Method for blocking and filtering false automatic elevator calls | Harrison Daniels, Bradley Armand Scoville, Paul A. Simcik, Stephen R. Nichols, Yew Leong | 2021-06-22 |