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Rototech Electrical Components, Inc.
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Hicksville, NY, US
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Patents Grants
last 30 patents
Information
Patent Grant
Circuit breaker switch
Patent number
6,714,116
Issue date
Mar 30, 2004
Rototech Electrical Components, Inc.
Li Chi Sang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Ground fault circuit interrupter
Patent number
D419531
Issue date
Jan 25, 2000
Rototech Electrical Components
Wan Yiu Keung
D13 - Equipment for production, distribution, or transformation of energy
Information
Patent Grant
Ground fault circuit interrupter
Patent number
5,933,063
Issue date
Aug 3, 1999
Rototech Electrical Components, Inc.
Wan Yiu Keung
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electric heating unit for heating container space to variable tempe...
Patent number
5,317,128
Issue date
May 31, 1994
Rototech Electrical Components, Inc.
Kelvin K. W. Yao
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
Circuit breaker switch
Patent number
5,157,369
Issue date
Oct 20, 1992
Rototech Electrical Components, Inc.
Kelvin Yao
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
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last 30 trademarks