Steffen, II; Michael
Patent Applications and Registrations
Patent applications and USPTO patent grants for Steffen, II; Michael.The latest application filed is for "systems and methods for controlling warnings at vehicle crossings".
- Steffen, II; Michael - Melbourne FL
| Patent | Date |
|---|---|
| Systems and methods for testing wayside units Grant 9,751,545 - Steffen, II , et al. September 5, 2 | 2017-09-05 |
| Systems and methods for management of crossings near stations Grant 9,340,220 - Fries , et al. May 17, 2 | 2016-05-17 |
| Systems and methods for controlling warnings at vehicle crossings Grant 9,126,609 - Steffen, II , et al. September 8, 2 | 2015-09-08 |
| Systems and methods for providing constant warning time at crossings Grant 9,026,360 - Fries , et al. May 5, 2 | 2015-05-05 |
| Systems And Methods For Controlling Warnings At Vehicle Crossings App 20140367526 - STEFFEN, II; Michael ; et al. | 2014-12-18 |
| Systems and Methods for Providing Constant Warning Time At Crossings App 20140361125 - Fries; Jeffrey Michael ; et al. | 2014-12-11 |
| Systems And Methods For Testing Wayside Units App 20140365160 - STEFFEN, II; Michael ; et al. | 2014-12-11 |
| Systems and Methods for Management of Crossings Near Stations App 20140346284 - Fries; Jeffrey Michael ; et al. | 2014-11-27 |
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