pq n blaise pascal n gerald pearson, daryl chapin, calvin fuller n phillips corporation n alexander...

PQPQ Blaise PascalBlaise Pascal Gerald Pearson, Daryl Gerald Pearson, Daryl

Chapin, Calvin FullerChapin, Calvin Fuller Phillips CorporationPhillips Corporation Alexander PonatieffAlexander Ponatieff Valdemar PoulsenValdemar Poulsen Edward PrewEdward Prew

Solar CellSolar CellCalculatorCalculator

Video RecorderVideo RecorderCompact Disc PalyerCompact Disc Palyer

Tape RecorderTape Recorder

SpeedometerSpeedometer

RR G. RamazottiG. Ramazotti Rank ZeroxRank Zerox Grote ReberGrote Reber Louis RenaultLouis Renault John RennieJohn Rennie Jesse RenoJesse Reno Adolpos RickenbackerAdolpos Rickenbacker Edward RobertsEdward Roberts Wilhelm RontgenWilhelm Rontgen Erik RotheimErik Rotheim

PeriscopePeriscope Laser PrinterLaser Printer

Radio TelescopeRadio Telescope GearboxGearbox

ClutchClutch EscalatorEscalator

Personal ComputerPersonal ComputerElectric GuitarElectric Guitar

X-Ray MachineX-Ray Machine

Spray CanSpray Can

SS Salter Weighing Co.Salter Weighing Co. Horace De SaussureHorace De Saussure Jacob SchickJacob Schick Igor SikorskyIgor Sikorsky Germain SommelierGermain Sommelier Sony CorporationSony Corporation Percy SpencerPercy Spencer Elmer SperryElmer Sperry Clement StreetClement Street Thomas SuttonThomas Sutton Joseph SwanJoseph Swan

Bathroom ScalesBathroom Scales Solar HeaterSolar Heater

Electric ShaverElectric Shaver

HelicopterHelicopter

Pneumatic DrillPneumatic Drill CamcorderCamcorder

Microwave OvenMicrowave Oven AutopilotAutopilot

Chain HoistChain Hoist Single Lens Reflex CameraSingle Lens Reflex Camera

Light BulbLight Bulb