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gptkb:Harry_Partch
|
gptkb:Adapted_Guitar
|
|
gptkb:Tom_Edison
|
gptkb:Edison_Electric_Power_Balloon
|
|
gptkb:Theranos
|
gptkb:US20130260393A1
|
|
gptkb:Polaroid_(brand)
|
US Patent 4,209,694
|
|
gptkb:Bell_System
|
gptkb:microprocessor
|
|
gptkb:SANYO
|
gptkb:Solar_cell_technology
|
|
gptkb:Yuan_China
|
improved gunpowder weapons
|
|
gptkb:AMC_automobiles
|
first mass-produced 4WD passenger car (AMC Eagle)
|
|
gptkb:Theranos
|
gptkb:US20130260386A1
|
|
gptkb:Colt's_Patent_Fire-Arms_Manufacturing_Company
|
revolving cylinder firearm
|
|
gptkb:Honeywell,_Inc.
|
aviation electronics
|
|
gptkb:Westinghouse
|
electric cable
|
|
gptkb:Europe_(15th–16th_centuries)
|
gptkb:Double-entry_bookkeeping
|
|
gptkb:Tom_Edison
|
gptkb:Edison_Electric_Power_Mill
|
|
gptkb:Polaroid_(brand)
|
US Patent 4,569,978
|
|
gptkb:Chinese_Empire
|
printing
|
|
gptkb:Marmon_Motor_Car_Company
|
rear-view mirror (first use in racing)
|
|
gptkb:Southern_Song_Dynasty,_China
|
compass navigation
|
|
gptkb:Late_Imperial_China
|
imperial examination reforms
|
|
gptkb:Kingdom_of_Science
|
gptkb:CD_player
|