Sean David Spencer

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Chatsworth, CA

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Patents Grantslast 30 patents

Information Patent Grant
Flame simulating assembly and components therefor
- Patent number 6,363,636
- Issue date Apr 2, 2002
- Dimplex North America Limited
- Kristoffer Hess
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Diffusing screen with matte region
- Patent number 6,269,567
- Issue date Aug 7, 2001
- Dimplex North America Limited
- David Miller MacPherson
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Assembly for producing an illusory effect
- Patent number 6,050,011
- Issue date Apr 18, 2000
- Dimplex North America Limited
- Kristoffer Hess
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Flame simulating assembly and components therefor
- Patent number 6,047,489
- Issue date Apr 11, 2000
- Dimplex North America Limited
- Kristoffer Hess
- F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

Information Patent Application
Simulated fuel bed with combination of plastic and non-plastic parts
- Publication number 20020139021
- Publication date Oct 3, 2002
- Kristoffer Hess
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS