Francis J. Zelina

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Patents Grantslast 30 patents

Information Patent Grant
Line operated fluorescent lamp inverter ballast
- Patent number 4,459,516
- Issue date Jul 10, 1984
- William B. Zelina
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Inverter ballast circuit with shoot through prevention, auto transf...
- Patent number 4,424,468
- Issue date Jan 3, 1984
- Francis J. Zelina
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR