Internet Archive Search: (collection:us_patents OR mediatype:us_patents) AND -mediatype:collection AND firstCreator:D

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	US Patent 2601120: Wheel test stand - D P Harris Hardware & Mfg Co Downloads: 137
	US Patent 2601399: Dispensing milk container - Dairy Specialties Inc Downloads: 75
	US Patent 2601192: Packaging means for toy pistols - Daisy Mfg Company Downloads: 83
	US Patent 2599103: Liquid fuel feeding means for resonance combustion chambers - Daniel And Florence Guggenheim; Downloads: 37
	US Patent 2599104: Valve mechanism for rotating feeding head for combustion chambers - Daniel And Florence Guggenheim; Downloads: 86
	US Patent 2601802: Self-locking coupling pin - David Hanson Downloads: 77
	US Patent 2600266: Pendulum retaining means - David White Company Downloads: 94
	US Patent 2600016: Hydraulic drawbar control - Davis J Parker Downloads: 122
	US Patent 2600361: Prevention of foaming in steam generation - Dearborn Chemicals Co Downloads: 65
	US Patent 2601776: Method of determining soil pressures produced on the soil working surfaces of ground engaging tools - Dearborn Motors Corp Downloads: 52
	US Patent 2600484: Apparatus for indicating a coordinate position on a chart - Decca Record Co Ltd Downloads: 62
	US Patent 2601049: Auxiliary device for unloading grain bins - Deere & Co Downloads: 83
	US Patent 2601553: Tractor rear axle for crop clearance - Deere Mfg Co Downloads: 101
	US Patent 2600609: Closure actuated mechanical alarm - Defiance Automatic Screw Compa Downloads: 80
	US Patent 2600780: Urea aldehyde resin and process of producing the same - Degussa Downloads: 146
	US Patent 2601481: Means for opening and loading carton blanks on the conveyer of a packaging machine - Delamere & Williams Company Lt Downloads: 62
	US Patent 2601480: Bag opening and spreading mechanism - Delamere & Williams Company Lt Downloads: 66
	US Patent 2601898: Film trimming machine - Deltec Inc Downloads: 63
	US Patent 2601506: Tape-dispensing and severing device - Derby Sealers Inc Downloads: 55
	US Patent 2600460: Tile arch structure - Detrick M H Co Downloads: 138
	US Patent 2601775: Closure lock mounting arrangement - Detroit Hardware Mfg Company Downloads: 42
	US Patent 2599099: Fishing rod holder - Dewey S Folker Downloads: 85
	US Patent 2601774: Combination lock - Diebold Inc Downloads: 83
	US Patent 2600030: Actuating mechanism for direction indicating signal for motor vehicles - Dietz Co R E Downloads: 70
	US Patent 2601371: Oilless bearing for textile and other machines - Dixon Lubricating Saddle Compa Downloads: 65
	US Patent 2599347: Building mechanism for packages of yarn - Dobson & Barlow Ltd Downloads: 89
	US Patent 2602039: Crude coal tar dermatological compositions - Dome Chemicals Inc Downloads: 166
	US Patent 2601660: Spool construction - Dominion Magnesium Ltd Downloads: 77
	US Patent 2600601: Tensioning device for film reel shafts - Donaldson E Downloads: 61
	US Patent 2601715: Weaving device - Donar Products Corp Downloads: 86
	US Patent 2599070: Food mixer - Dormeyer Corp Downloads: 105
	US Patent 2601046: Garment construction - Dorothy L Mcdonald Downloads: 98
	US Patent 2599213: Machine for reading-in and punching jacquard cards - Dorothy Richards; Downloads: 76
	US Patent 2600253: Fertilizer manufacture - Dorr Co Downloads: 139
	US Patent 2600351: Volatilization of tin values of tin ores - Dorr Co Downloads: 82
	US Patent 2599389: Hydraulic fitting - Douglas Aircraft Co Inc Downloads: 78
	US Patent 2601962: Aircraft balancing means - Douglas Aircraft Co Inc Downloads: 53
	US Patent 2599386: Well treatment apparatus - Dow Chemical Co Downloads: 68
	US Patent 2599512: O-2, 4, 6-trichlorophenyl o, o-dialkylthiophosphates - Dow Chemical Co Downloads: 48
	US Patent 2599516: O-2, 4, 5-trichlorophenyl o, o-dialkylthiophosphates - Dow Chemical Co Downloads: 39
	US Patent 2599515: O-2, 4, 5-trichlorophenyl o, o-dialkylphosphates - Dow Chemical Co Downloads: 47
	US Patent 2601200: Production of molding granules - Dow Chemical Co Downloads: 25
	US Patent 2601202: Anion exchange resins and process - Dow Chemical Co Downloads: 131
	US Patent 2601203: Decolorizing caustic soda solutions - Dow Chemical Co Downloads: 135
	US Patent 2601214: Cathodic protection of underground metals - Dow Chemical Co Downloads: 161
	US Patent 2602076: Production of oil soluble phenolic resins - Dow Chemical Co Downloads: 145
	US Patent 2602083: Alkali cellulose compositions - Dow Chemical Co Downloads: 109
	US Patent 2602090: Process for the purification of phenoxy-aliphatic-monocarboxylic acids - Dow Chemical Co Downloads: 71
	US Patent 2602091: Process for purifying the polychlorophenoxy-aliphatic-monocarboxylic acids - Dow Chemical Co Downloads: 108
	US Patent 2601646: Polyesters of dicarboxyphenyldimethylsilane - Dow Corning Downloads: 24