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Frederik Leonard Johan Sangster
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Eindhoven, NL
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last 30 patents
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Patent Grant
Electro-acoustic converter with compensated frequency response char...
Patent number
4,649,565
Issue date
Mar 10, 1987
U.S. Philips Corporation
Adrianus J. M. Kaizer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
Divide-by-two charge divider
Patent number
4,411,010
Issue date
Oct 18, 1983
U.S. Philips Corporation
Frederik L. J. Sangster
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Charge transfer device
Patent number
4,001,862
Issue date
Jan 4, 1977
U.S. Philips Corporation
Frederik Leonard Johan Sangster
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Charge transfer imaging device
Patent number
3,967,055
Issue date
Jun 29, 1976
U.S. Philips Corporation
Kees Teer
G11 - INFORMATION STORAGE