PC

Philip Mark Crozier

BL British Telecommunications Public Limited: 1 patents #627 of 1,458Top 45%
📍 Longridge, GB: #114 of 278 inventorsTop 45%
Overall (All Time): #3,681,979 of 4,157,543Top 90%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5742927 Noise reduction apparatus using spectral subtraction or scaling and signal attenuation between formant regions Barry Michael George Cheetham 1998-04-21