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CPC
H01J2217/49214
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Parent Industries
H
ELECTRICITY
H01
Electric elements
H01J
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
H01J2217/00
Gas-filled discharge tubes
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H01J2217/49214
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Patents Grants
last 30 patents
Information
Patent Grant
Hollow cathodes for plasma-containing display devices and method of...
Patent number
6,007,399
Issue date
Dec 28, 1999
Philips Electronics North America Corporation
Vivek Mehrotra
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Hollow cathodes with an I-beam or C-beam cross section for a plasma...
Patent number
5,898,271
Issue date
Apr 27, 1999
U.S. Philips Corporation
Vivek Mehrotra
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Plasma display device
Patent number
5,306,984
Issue date
Apr 26, 1994
Samsung Electron Devices Co., Ltd.
Sang-rok Lee
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents