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Railway safety notification system and device with proportional warnings |
Brad Cross, Destry Diefenbach, Nicholas Freed |
2025-05-20 |
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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 |