Murphy; Steve R.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Murphy; Steve R..The latest application filed is for "current sensor".
- Murphy; Steve R. - West Melbourne FL US
- Murphy; Steve R. - Lee's Summit MO
| Patent | Date |
|---|---|
| Current sensor Grant 9,128,128 - Fries , et al. September 8, 2 | 2015-09-08 |
| Method and system for determining signal state Grant 8,581,499 - Fries , et al. November 12, 2 | 2013-11-12 |
| Current Sensor App 20120314332 - Fries; Jeffrey Michael ; et al. | 2012-12-13 |
| Method and System for Determining Signal State App 20120293074 - Fries; Jeffrey Michael ; et al. | 2012-11-22 |
| Railway controller with improved application programming Grant 7,315,770 - Wade , et al. January 1, 2 | 2008-01-01 |
| Railway controller with improved application programming App 20050178928 - Wade, David Justin ; et al. | 2005-08-18 |
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