NANOCLUSTER - Class 977
NANOCOMPOSITE - Class 977
NANOCRYSTAL - Class 977
NANOPORE - Class 977
NANOROD - Class 977
NANOTUBE - Class 977
NANOTWEEZERS - Class 977
NANOWHISKER - Class 977
NANOWIRE - Class 977
NATURAL OIL OR GUM, ROSIN OR LAC - Class 428
NATURAL RESIN - Class 520
NATURAL RESIN DERIVATIVE - Class 520
NATURAL RUBBER - Class 428
NAVIGATION - Class 701
N-CHANNEL FET - Classes 257, 438
NDC - Class 438
NDM - Class 257
NEA - Class 438
NEAR FIELD - Class 342
NEAR FIELD SCANNING OPTICAL MICROSCOPE - Class 977
NEAR VIDEO-ON-DEMAND (NVOD) - Class 725
NECK RING - Classes 065, 425
NEGATIVE - Classes 355, 399
NEGATIVE FEEDBACK - Class 330
NEGATIVE RESISTANCE OR NEGATIVE TRANSCONDUCTANCE DEVICE - Class 331
NEGATIVE RESISTANCE REGION - Classes 257, 438
NEGATIVE RESISTOR - Class 338
NEGATIVE TEMPERATURE COEFFICIENT - Classes 257, 438
NETWORK - Classes 333, 709, 718, 719, 725
NEURAL NETWORK ARCHITECTURE - Class 706
NEURAL NETWORK TOPOLOGY - Class 706
NEUTRALIZATION MEANS - Class 330
NEUTRON ABSORBING MATERIAL - Class 376
NEUTRON APLIFICATION - Class 376
NIPPERS - Class 070
NITRATE V. NITRO - Class 149
NITRATED - Class 149
NITRIDING - Class 148
NITROCYCLIC - Classes 260, 532
NMA - Class 438
NMOS - Classes 257, 438, 438
NMP - Class 438
NOBLE GAS* - Class 075
NOBLE GASES - Classes 257, 588
NOBLE METAL* - Class 075
NOBLE METAL* - Class 420
NOBLE METALS - Class 428
NOISE - Classes 704, 725
NONCOMBUSTIBLE FLUID - Class 110
NONDOPANT - Class 438
NONIONIC BONDING - Classes 514, 532
NONIONIC COMPOUND - Class 510
NONLINEAR IMPEDANCE OR DEVICE - Class 330
NONMAGNETIC MOTOR - Class 318
NON-METAL - Class 117
NONMETAL* - Class 075
NONMETAL* - Class 420
NONMETALLIC ELEMENTS - Class 423
NON-METALS - Class 257
NONMETALS - Class 520
NONOXO-CARBONYLIC - Class 260
NON-SEMICONDUCTOR METAL - Class 117
NONTHICKNESS SURFACE - Classes 112, 428
NON-WORKING CHAMBER - Class 091
NONWORKING CHAMBER - Class 092
NORMAL PEPTIDE LINK - Class 930
NORMAL WHEEL-BASE - Class 180
NORMALIZING - Class 148
NOTCHING - Classes 083, 234
novolak - Class 438
NOWEL - Class 164
NPN - Class 438
NPN TRANSISTOR - Classes 257, 438
NRD - Class 438
NRM - Class 523
NSAG - Class 438
NTD - Class 438
N-TYPE CONDUCTIVITY - Class 330
N-TYPE SEMICONDUCTOR - Classes 257, 257, 438
NUCLEAR CARBON - Class 260
NUCLEAR FUEL - Class 376
NUCLEAR REACTION - Class 376
NUCLEAR REACTOR - Class 376
NUCLEIC ACID - Classes 435, 977
NUMERICAL DIGITS - Class 708
NUTRIENT - Class 117
NVRAM - Class 438