DAVID SARNOFF RESEARCH CENTER, INC.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6007630 Method and apparatus for electrostatically depositing a medicament powder upon predefined regions of a substrateExpiredJun 06, 96Dec 28, 99[B05B, A61M]
5980704 Method and system for inhibiting cross-contamination in fluids of combinatorial chemistry deviceExpiredOct 07, 96Nov 09, 99[G25B]
5802090 Room temperature diode laser emitting in the 2-5 micrometer wavelength rangeExpiredMay 13, 97Sep 01, 98[H01S]
5082804 Thick film copper via fill inksExpiredDec 15, 89Jan 21, 92[C08C]
5051921 Method and apparatus for detecting liquid composition and actual liquid levelExpiredNov 30, 89Sep 24, 91[G01R, G01F]
5019787 Optical amplifierExpiredOct 30, 89May 28, 91[H01L, H01S]
5003359 Optoelectronic integrated circuitExpiredDec 29, 89Mar 26, 91[H01L]
4976539 Diode laser arrayExpiredAug 29, 89Dec 11, 90[G01C, H01S, G02F]
4975669 Magnetic bottle employing Meissner effectExpiredFeb 27, 89Dec 04, 90[H01F]

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