Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12304538 | Railway safety notification system and device with proportional warnings | Brad Cross, Destry Diefenbach, Nicholas Freed | 2025-05-20 |
| 12162523 | Railway safety notification system and device with track and direction information | Brad Cross, Destry Diefenbach, Nicholas Freed | 2024-12-10 |
| 12162524 | Mass transit safety notification system and device | Brad Cross, Destry Diefenbach, Yogesh Barve, Scott Kolts, Steve McDonald | 2024-12-10 |
| 11827257 | Mass transit safety notification system and device | Brad Cross, Destry Diefenbach, Yogesh Barve, Scott Kolts, Steve McDonald | 2023-11-28 |
| 10029716 | Mass transit safety notification system and device | Brad Cross, Destry Diefenbach, Yogesh Barve, Scott Kolts, Steve McDonald | 2018-07-24 |
| 9542852 | Mass transit safety notification system and device | Brad Cross, Destry Diefenbach, Yogesh Barve, Scott Kolts, Steve McDonald | 2017-01-10 |