PD

Philippe Defranould

TH Thomson-Csf: 3 patents #313 of 2,054Top 20%
📍 Le Rouret, FR: #17 of 46 inventorsTop 40%
Overall (All Time): #1,661,692 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5122766 Acoustic wave delay system with an optically controlled delay medium Jean-Pierre Huignard 1992-06-16
4975892 Piezoelectric transducer to generate bulk waves Claude Poncot 1990-12-04
4821004 Method for the elimination of spurious echos in electro-acoustic delay lines using bulk waves and delay line applying this method Marc Verroust 1989-04-11