Roberto E. Arance

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Valencia, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Appliance for disinfection of HVAC systems
- Patent number 7,421,851
- Issue date Sep 9, 2008
- Ultraviolet Devices, Inc
- David L. Witham
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Lamp keying system and method
- Patent number 7,354,317
- Issue date Apr 8, 2008
- Ultraviolet Devices, Inc
- David L. Witham
- F21 - LIGHTING
Information Patent Grant
Lamp keying system
- Patent number 7,137,728
- Issue date Nov 21, 2006
- Ultraviolet Devices, Inc
- David L. Witham
- F21 - LIGHTING
Information Patent Grant
Appliance for disinfection of HVAC systems
- Patent number 7,107,778
- Issue date Sep 19, 2006
- David L. Witham
- F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

Information Patent Application
Lamp keying system and method
- Publication number 20080227320
- Publication date Sep 18, 2008
- David L. Witham
- F21 - LIGHTING
Information Patent Application
Lamp keying system and method
- Publication number 20070058367
- Publication date Mar 15, 2007
- UltraViolet Devices, Inc.
- David L. Witham
- F21 - LIGHTING
Information Patent Application
Appliance for disinfection of HVAC systems
- Publication number 20060254298
- Publication date Nov 16, 2006
- UltraViolet Devices, Inc.
- David L. Witham
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Apparatus and method for keying lamp and lamp fixture
- Publication number 20040141332
- Publication date Jul 22, 2004
- David L. Witham
- F21 - LIGHTING
Information Patent Application
Method and device to install a germicidal fluorescent lamp, from on...
- Publication number 20030011308
- Publication date Jan 16, 2003
- Keith M. Crawford
- H01 - BASIC ELECTRIC ELEMENTS