Roger P. Sonneville

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Annapolis, MD, US

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Patents Grantslast 30 patents

Information Patent Grant
Rail fastening system for fastening a rail to a rail support and as...
- Patent number 5,865,370
- Issue date Feb 2, 1999
- Sonneville International Corporation
- Roger P. Sonneville
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Assembly of reinforcing bars and clip
- Patent number 4,991,372
- Issue date Feb 12, 1991
- Sonneville International Corporation
- Roger P. Sonneville
- E04 - BUILDING
Information Patent Grant
Elastic rail pad
- Patent number 4,773,591
- Issue date Sep 27, 1988
- Sonneville International Corporation
- Roger P. Sonneville
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Structure for fixing a rail to a tie
- Patent number 4,566,629
- Issue date Jan 28, 1986
- Sonneville International Corporation
- Roger P. Sonneville
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Device for affixing a rail to a concrete support
- Patent number 4,494,695
- Issue date Jan 22, 1985
- Sonneville International Corporation
- Roger P. Sonneville
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Elastically yieldable device for fixing a rail on a support
- Patent number 4,378,910
- Issue date Apr 5, 1983
- Roger P. Sonneville
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES