- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 17/62 - Thermionic-cathode tubes with more than one cathode or anode with independent discharge paths controlled by intermediate electrodes, e.g. polyphase rectifier
Patent holdings for IPC class H01J 17/62
Total number of patents in this class: 1
10-year publication summary
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Principal owners for this class
Owner |
All patents
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This class
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Elam-Electroluminescent Industries Ltd. | 1 |
1 |
Other owners | 0 |