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John Darren Smith

SD Secretary Of State For Defence: 2 patents #22 of 267Top 9%
Overall (All Time): #2,089,324 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8162098 Tunable acoustic reflector David James Emery, Duncan Paul Williams 2012-04-24
8077539 Acoustic reflector David James Emery, Duncan Paul Williams 2011-12-13