Sp. El. s.r.l.

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Milan, IT

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Patents Grantslast 30 patents

Information Patent Grant
Device and apparatus with magnetic thread-guide for winding a threa...
- Patent number 7,111,804
- Issue date Sep 26, 2006
- SP. EL. S.r.l.
- Laciano Franzolini
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Circuit and a method for processing amplitude and phase variable mu...
- Patent number 4,489,266
- Issue date Dec 18, 1984
- SP, EL. s.r.l.
- Luciano Franzolini
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power circuit including means for automatically protecting a choppi...
- Patent number 4,355,342
- Issue date Oct 19, 1982
- Sp. El. s.r.l.
- Luciano Franzolini
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

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