- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 31/22 - Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes for stereoscopic displays
Patent holdings for IPC class H01J 31/22
Total number of patents in this class: 0
10-year publication summary
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Principal owners for this class
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Other owners | 0 |