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Charles B. Mattas
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Glenview, IL, US
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Patents Grants
last 30 patents
Information
Patent Grant
Method of regulating power in a high-intensity-discharge lamp
Patent number
6,798,153
Issue date
Sep 28, 2004
Koninklijke Philips Electronics N.V.
Charles B. Mattas
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Printed circuit board assembly with improved thermal performance
Patent number
6,215,663
Issue date
Apr 10, 2001
Philips Electronics North America Corporation
Charles B. Mattas
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
High intensity discharge ballast
Patent number
5,945,784
Issue date
Aug 31, 1999
Philips Electronics North America Corporation
Charles B. Mattas
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Lamp ballast circuit characterized by a single resonant frequency s...
Patent number
5,686,798
Issue date
Nov 11, 1997
North American Philips Corporation
Charles B. Mattas
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Electronic ballast for operating lamps in parallel
Patent number
5,563,473
Issue date
Oct 8, 1996
Philips Electronics North America Corp.
Charles B. Mattas
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Lamp ballast circuit characterized by a single resonant frequency s...
Patent number
5,463,284
Issue date
Oct 31, 1995
North American Philips Corporation
Charles B. Mattas
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Lamp ballast with frequency modulated lamp frequency
Patent number
5,410,221
Issue date
Apr 25, 1995
Philips Electronics North America Corporation
Charles B. Mattas
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Arrangement for predicting failure in fluorescent lamp systems
Patent number
5,089,753
Issue date
Feb 18, 1992
North American Philips Corporation
Charles B. Mattas
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Switching arrangement for HID lamps
Patent number
4,958,107
Issue date
Sep 18, 1990
North America Philips Corporation
Charles B. Mattas
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
Information
Patent Application
Method of regulating power in a high-intensity-discharge lamp
Publication number
20030025463
Publication date
Feb 6, 2003
Koninklijke Philips Electronics N.V.
Charles B. Mattas
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR