Dennis Grantham

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Elmore, AL, US

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Patents Grantslast 30 patents

Information Patent Grant
System and method for railroad track tie plate collection from a ra...
- Patent number 8,365,673
- Issue date Feb 5, 2013
- Progress Rail Services Corp.
- Mark Plyler
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
System and method for railroad track tie plate orientation
- Patent number 8,082,852
- Issue date Dec 27, 2011
- Progress Rail Services Corp.
- Mark Plyler
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents

Information Patent Application
System and method for railroad track tie plate orientation
- Publication number 20110146527
- Publication date Jun 23, 2011
- PROGRESS RAIL CORPORATION
- Mark Plyler
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Application
System and method for railroad track tie plate collection from a ra...
- Publication number 20110146526
- Publication date Jun 23, 2011
- PROGRESS RAIL CORPORATION
- Mark Plyler
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES