Grappone Technologies Inc.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Grappone Technologies Inc..The latest application filed is for "track circuit providing enhanced broken rail detection".
- Grappone Technologies Inc. - Hicksville NY US
| Patent | Date |
|---|---|
| Track circuit providing enhanced broken rail detection Grant 9,150,228 - Grappone October 6, 2 | 2015-10-06 |
| Track Circuit Providing Enhanced Broken Rail Detection App 20140014782 - Grappone; Victor F. | 2014-01-16 |
| Broken rail detector for communications-based train control and positive train control applications Grant 6,655,639 - Grappone December 2, 2 | 2003-12-02 |
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