MACHINE - Classes 015, 184, 249, 355, 399, 407
MACHINE-FRAME - Class 408
MACHINING - Class 029
MACROSCOPIC - Class 510
MAGNETIC - Classes 400, 428
MAGNETIC BODY - Class 336
MAGNETIC FORCE MICROSCOPE - Class 977
MAGNETIC MIRRORS - Class 376
MAGNETICALLY CONTROLLED SPACE DISCHARGE DEVICE - Class 331
MAGNETOSTRICTIVE MOTOR - Class 318
MAGNETRON - Class 331
MAGNITUDE OR LEVEL CONTROL - Class 323
MAHOGANY ACIDS; MAHOGANY SOAP - Class 516
MAINSTREAM - Class 210
MAJORITY CARRIER - Classes 257, 438
MAJORITY CARRIERS - Class 330
MAJORITY CURRENT - Class 257
MALLEABLEIZING - Class 148
MANDREL - Class 425
MANIFOLDING - Class 462
MANIPULATE - Class 269
MANIPULATING - Class 173
MANIPULATING HANDLE - Class 173
MANUFACTURE - Class 141
MANUFACTURING - Class 029
MARGIN - Class 400
MARGIN-STOP - Class 400
MARK - Class 347
MARKING - Class 347
MARKUP LANGUAGE - Class 715
MARTEMPERING - Class 148
MARVERING - Class 065
Masking - Class 704
MASS - Class 428
MASTER - Classes 060, 355, 399
MASTER CYLINDER - Class 060
MASTER-KEY - Class 070
MASTERSLICE ARRAY/MASTERCHIP - Class 257
MASTERSLICE ARRAY/MASTERCHIP - Class 438
MATCH PLATE PATTERN - Class 164
MATERIAL - Classes 100, 226, 366, 401, 516
MATERIAL GUIDE - Class 141
MATING PART - Class 439
MATING-MEMBER - Class 227
MATRIX - Class 149
MAXWELL-BOLTZMANN STATISTICS - Class 977
MBE - Classes 117, 438
MBM JUNCTION - Classes 257, 438
mc - Class 438
MCM - Class 438
MCT - Class 438
MCz - Class 438
MEASURING-TESTING - Class 356
MECHANICAL-INTERLOCK BOND - Class 425
MEDIA - Class 435
MEDIA/MEDIA TYPES - Class 715
MEDIUM - Class 347
MEETING FACE - Class 228
Mel - Class 704
MELT - Class 164
MEM - Class 438
MEMBER - Classes 227, 403
MEMBER(S) - Class 277
MEMBRANE - Class 210
MEMORY - Classes 345, 706, 707, 709, 710, 711, 712, 713, 714, 718, 719
MEMS (MICROELECTROMECHANICAL SYSTEMS) - Class 977
MENSURATION - Class 356
MER - Class 516
MESFET - Class 438
MESSAGE - Classes 342, 343, 725
METAL - Classes 060, 072, 117, 216, 228, 428, 502
METAL CORROSION - Class 510
METAL* - Class 075
METAL* - Class 420
METAL, NON-SEMICONDUCTOR - Class 117
METAL-GATE FET - Class 257
METALLIC - Class 428
METALLIC COMPOSITION - Classes 075, 420
METALLIZATION - Classes 257, 438
METAL-OXIDE SEMICONDUCTOR FIELD EFFECT TRANSISTOR (MOSFET) - Classes 257, 438
METALS - Classes 257, 520
METALS AND NONMETALS - Class 532
METHINE GROUP - Class 008
METHYLOL OR METHYLOL DERIVATIVE - Class 520
MF3R - Class 438
MGSi - Class 438
MICROFILTER - Class 210
MICRON - Class 210
MICRO-ORGANISM - Class 210
MICROORGANISM - Class 435
MICRO-ORGANISMS - Class 506
MICROPROCESSOR - Class 388
MICROWAVE - Class 725
MIM - Class 438
MIM DIODE - Classes 257, 438
MINERAL OIL - Class 208
MINERAL PLASTIC - Class 425
MINERAL-OIL - Class 516
MINORITY CARRIER - Classes 257, 438
MINORITY CARRIERS - Class 330
MINORITY CURRENT - Class 257
MIRROR FIELD - Class 376
MIS - Classes 257, 438
MISFET - Class 438
MISSILE - Class 102
MIXING CHAMBER - Class 366
MLC - Class 438
MLEC - Class 438
MLO - Class 438
MLR - Class 438
MMA - Class 438
MMIC - Class 438
MNOS - Class 438
MOBILITY - Classes 257, 438
MOCVD - Classes 117, 438
MODE - Class 372
MODEM - Class 725
MODERATED NEUTRONS - Class 376
MODERATOR - Class 376
MODFET - Classes 257, 438, 438
MODIFIER - Class 362
MODULAR - Class 052
MODULAR NEURAL NETWORK - Class 706
MODULATED CARRIER WAVE - Class 455
MODULATED SIGNAL - Class 329
MODULATING SIGNAL - Classes 329, 332
MODULATION DOPING - Class 257
MODULATOR - Classes 329, 332
MODULE - Classes 052, 249, 404
MOIETY - Class 977
MOIL - Class 065
MOLD - Class 249
MOLD ELEMENT - Class 249
MOLD WITH CORE - Class 249
MOLDING APPARATUS - Class 249
MOLECULAR ASSEMBLER or NANOASSEMBLER or ASSEMBLER - Class 977
MOLECULAR DISTILLATION - Class 203
MOLECULAR ELECTRONICS or MOLETRONICS - Class 977
MOLECULAR NANOTECHNOLOGY - Class 977
MOLECULAR OR PARTICLE RESONANT OSCILLATOR - Class 331
MOLECULAR RESONATOR - Class 331
MOLECULAR SIEVE - Class 210
MOMBE - Class 117
MOMOM - Class 438
MONITORING - Classes 725, 726
MONOCHROMATOR - Class 356
MONOCHROME IMAGE - Class 430
MONOCYCLIC RING - Class 532
MONOLITH - Class 052
MONOLITHIC DEVICE (e.g., IC) - Class 257
MONOLITHIC DEVICE (E.G., IC, ETC.) - Class 438
MONOPROPELLANT - Class 060
MORDANT DYE - Class 008
MORDANTS - Class 008
MOS FET - Class 117
MOSFET - Class 438
MOTION PICTURE - Class 352
MOTION PICTURE APPARATUS - Class 352
MOTION PICTURE SEQUENCE - Class 352
MOTIVE FLUID - Classes 060, 060, 060, 091, 173, 175
MOTIVE FLUID RESPONSIVE MEANS - Class 060
MOTIVE FORCE - Class 440
MOTOR - Classes 415, 440
MOTOR BRAKING CONTROL - Class 318
MOTOR CONTROL - Class 388
MOTOR DECELERATION CONTROL - Class 318
MOTOR DRIVEN OR ACTUATED - Class 049
MOTOR LOAD CONTROL - Class 318
MOTOR OPERATION CONTROL - Class 318
MOUNTING - Class 351
MOVABLE CLOSURE - Class 049
MQW - Class 438
MSM - Classes 257, 438
MTF - Class 438
MTL - Class 438
MUFFLE FURNACE - Class 075
MULITIPLE (PHASE) EMULSION - Class 516
MULTIDIRECTIONAL MOVEMENT - Class 049
MULTIFOCAL LENSES - Class 351
MULTILAYER METALLIZATION - Class 257
MULTIPLEXING - Class 370
MULTITASKING - Classes 709, 718, 719
MUSCULAR IMBALANCE - Class 351
MWNT (MULTI-WALLED NANOTUBE) - Class 977