- LandOfFree
- Inventors
- Electric lamp and discharge devices
- Incandescent lamps
Details
Johannes Maria Jozef Ritzen
Johannes Maria Jozef
Ritzen
- Patent Class
Electric lamp and discharge devices
- SubClass
Incandescent lamps
- Specialty
Inventor
- Status
active
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Profile ID: LFUS-PAI-P-1936791
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