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last 30 patents
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Patent Grant
Plastic housing and base construction especially for compact fluore...
Patent number
5,997,354
Issue date
Dec 7, 1999
General Electric Company
Jozsef Fulop
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of and equipment for ageing a low-pressure hot-cathode disch...
Patent number
4,898,554
Issue date
Feb 6, 1990
Tungsram Reszvenytarsasag
Kalman Antal
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Process for flushing and filling a low pressure gas discharge light...
Patent number
4,861,302
Issue date
Aug 29, 1989
Tungsram Reszvenytarsasag
Kalman Antal
H01 - BASIC ELECTRIC ELEMENTS