Jean Julia — 2 Patents at Bertin & Cie

Jean Julia has been granted 2 US patents while listed as an inventor at Bertin & Cie. The first was granted in 1991 and the most recent in January 1993. Jean Julia ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Jean Julia in Épinay-sur-Seine, FR.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5179595	Electrodynamic-fluidic transducer element for pneumatic loudspeaker	Ferdinand Pollet	1993-01-12
5054080	Pneumatic loudspeaker with a continuous pressurized fluid flow	Ferdinand Pollet, Jean-Francois Foissey	1991-10-01

Jean Julia — 2 Patents

Issued Patents All Time

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