Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12424045 | Occupancy count systems and methods | Jorell A. Olson, Dirk Buijsman, Mychal Hall, Tyler Andrew House | 2025-09-23 |
| 9050905 | Electronic park brake system for electric vehicles | Charles R. Lee, Joseph I. Keto, Matthew Nelson | 2015-06-09 |
| 6442239 | Telephone line longitudinal balance tester and method | James A. Abdo, Lawrence O. Hilligoss | 2002-08-27 |
| 5896569 | Wireless access to telephone network dial tone | Myron C. Butler, Lawrence O. Hilligoss | 1999-04-20 |