Patent Office Curiosities and Ingenuities

Curiosities and Ingenuities of the Patent Office. An airship used to water crops, tapping interplanetary space for electricity, a smoker's nose-bag, special parachute dres for airmen and artictic umbrellas

Airmen Buoyancy Buoyant Crops Curiosities Devices Drought Ingenuities Innovation Innovations Interplanetary Inventions Inventive Parachute Patent Smoker Smokes Spraying Umbrellas Watering

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