Dragish; Darren
Patent Applications and Registrations
Patent applications and USPTO patent grants for Dragish; Darren.The latest application filed is for "system and method for building and managing a train consist".
- Dragish; Darren - Downingtown PA
| Patent | Date |
|---|---|
| System and method for building and managing a train consist Grant 10,850,755 - Lefebvre , et al. December 1, 2 | 2020-12-01 |
| Train and rail yard management system Grant 10,710,619 - LeFebvre , et al. | 2020-07-14 |
| Train and rail yard management system Grant 10,259,477 - LeFebvre , et al. | 2019-04-16 |
| System And Method For Building And Managing A Train Consist App 20180319414 - Lefebvre; William ; et al. | 2018-11-08 |
| Train and Rail Yard Management System App 20170021847 - LeFebvre; William ; et al. | 2017-01-26 |
| Train and Rail Yard Management System App 20160272228 - LeFebvre; William ; et al. | 2016-09-22 |
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