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CPC
H01J13/24
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H
ELECTRICITY
H01
Electric elements
H01J
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
H01J13/00
Discharge tubes with liquid-pool cathodes
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H01J13/24
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Patents Grants
last 30 patents
Information
Patent Grant
Liquid electrode tip
Patent number
11,150,192
Issue date
Oct 19, 2021
2S WATER INCORPORATED
Neil Johnson
G01 - MEASURING TESTING
Information
Patent Grant
2444204
Patent number
2,444,204
Issue date
Jun 29, 1948
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
2154274
Patent number
2,154,274
Issue date
Apr 11, 1939
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
1873834
Patent number
1,873,834
Issue date
Aug 23, 1932
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
1857193
Patent number
1,857,193
Issue date
May 10, 1932
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
1591432
Patent number
1,591,432
Issue date
Jul 6, 1926
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents