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Antoine Petroff — 4 Patents in 2018

DEDevialet: 4 patents #2 of 12Top 20%

Paris, FR: #23 of 1,052 inventorsTop 3%

Overall (2018): #49,009 of 503,207Top 10%

4 Patents 2018

Issued Patents 2018

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
10142753	Electroacoustic conversion chain with selectively powered coil	Pierre-Emmanuel Calmel, Jean-Loup Afresne	2018-11-27
9967675	Compact electrodynamic loudspeaker having a convex diaphragm	Pierre-Emmanuel Calmel, Jean-Loup Afresne	2018-05-08
9930449	Device for controlling a loudspeaker	Eduardo Mendes, Pierre-Emmanuel Calmel, Jean-Loup Afresne	2018-03-27
9924267	Device for controlling a loudspeaker	Eduardo Mendes, Pierre-Emmanuel Calmel, Jean-Loup Afresne	2018-03-20

Antoine Petroff — 4 Patents in 2018

Issued Patents 2018

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