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
