Barry Clifton Williams

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Statesville, NC, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of fabricating a longitudinal frame member of a trench-formi...
- Patent number 7,703,502
- Issue date Apr 27, 2010
- Abt, Inc.
- Timothy Harold Wallace
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Assembly and method of forming a trench of a predetermined shape
- Patent number 7,172,368
- Issue date Feb 6, 2007
- Abt, Inc.
- Timothy Harold Wallace
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Mounting bracket assembly for connecting frame members of a trench-...
- Patent number 6,926,245
- Issue date Aug 9, 2005
- Abt, Inc.
- Timothy Harold Wallace
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Drainage channel
- Patent number 6,663,317
- Issue date Dec 16, 2003
- Abt, Inc.
- Barry Clifton Williams
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Sidewall extension for drain channel system and method for extendin...
- Patent number 4,640,643
- Issue date Feb 3, 1987
- Polydrain, Inc.
- Barry C. Williams
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Drainage channel with means for maintaining proper slope during ins...
- Patent number 4,498,807
- Issue date Feb 12, 1985
- Polydrain, Inc.
- Larry E. Kirkpatrick
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents

Information Patent Application
Assembly and method of forming a trench of a predetermined shape
- Publication number 20050238435
- Publication date Oct 27, 2005
- ABT, Inc.
- Timothy Harold Wallace
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Application
Method of fabricating a longitudinal frame member of a trench-formi...
- Publication number 20050238436
- Publication date Oct 27, 2005
- ABT, Inc.
- Timothy Harold Wallace
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Application
Mounting bracket assembly for connecting frame members of a trench-...
- Publication number 20040081515
- Publication date Apr 29, 2004
- ABT, Inc.
- Timothy Harold Wallace
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Application
DRAINAGE CHANNEL
- Publication number 20040005194
- Publication date Jan 8, 2004
- ABT, Inc.
- Barry Clifton Williams
- E03 - WATER SUPPLY SEWERAGE