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For the Inventor, By the Inventor

Milan, Italy

Industrie Magneti Marelli


USPTO Granted Patents = 2

Forward Citations = 9

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2 inventors (with patents filed for the assignee):

goldMedal Pietro De Filippis (2 out of 19 patents)

silverMedal Franco Salerno (2 out of 11 patents)


2 patents:

1. 5291105 - Control circuit for a half-wave brushless motor with a surge limiter (1994-03-01),
2. 5241247 - Linear feedback control circuit for a half-wave polyphase brushless motor (1993-08-31),
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USPTO Data Jan 1 1976 - Dec 16 2025

2 Patents

#515 in Milan

#3,333 in Italy

...
Milan, Italy

Industrie Magneti Marelli

Forward Citations = 9

2 inventors:

goldMedal Pietro De Filippis (2 out of 19 patents)

silverMedal Franco Salerno (2 out of 11 patents)

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