Edwin Lewis Hull

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Conyers, GA, US

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Patents Grantslast 30 patents

Information Patent Grant
Emergency lighting unit/exit sign combination
- Patent number 6,848,798
- Issue date Feb 1, 2005
- Acuity Brands, Inc.
- Mark Campbell Logan
- G08 - SIGNALLING
Information Patent Grant
Emergency lighting unit/exit sign combination
- Patent number 6,499,866
- Issue date Dec 31, 2002
- Acuity Brands, Inc.
- Mark Campbell Logan
- G08 - SIGNALLING
Information Patent Grant
Emergency lighting unit/exit sign combination
- Patent number 6,142,648
- Issue date Nov 7, 2000
- NSI Enterprises, Inc.
- Mark Campbell Logan
- G08 - SIGNALLING
Information Patent Grant
Emergency lighting unit/exit sign combination
- Patent number 5,797,673
- Issue date Aug 25, 1998
- NSI Enterprises, Inc.
- Mark Campbell Logan
- G08 - SIGNALLING
Information Patent Grant
Combined exit sign and emergency lamp device
- Patent number D379373
- Issue date May 20, 1997
- National Service Industries, Inc.
- Mark C. Logan
- D20 - Sales and advertising equipment